Home / 257,380,242.03-350,433,023.76-256,563,026.96

Finding the Fourth Proportional to 257,380,242.03, 350,433,023.76 and 256,563,026.96

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Solution

The fourth proportional to 257,380,242.03, 350,433,023.76 and 256,563,026.96 is: 349,320,354.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,380,242.03 : 350,433,023.76 = 256,563,026.96 : x
  2. Step 2: Convert to fraction form
    257,380,242.03/350,433,023.76 = 256,563,026.96/x
  3. Step 3: Cross multiply
    257,380,242.03x = 350,433,023.76 × 256,563,026.96
  4. Step 4: Simplify right side
    257,380,242.03x = 89,908,157,320,859,040
  5. Step 5: Solve for x
    x = 89,908,157,320,859,040/257,380,242.03
  6. Step 6: Final answer
    x = 349,320,354.24

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.