Home / 429,130.44-592,139.56-257,008.07

Finding the Fourth Proportional to 429,130.44, 592,139.56 and 257,008.07

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Solution

The fourth proportional to 429,130.44, 592,139.56 and 257,008.07 is: 354,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,130.44 : 592,139.56 = 257,008.07 : x
  2. Step 2: Convert to fraction form
    429,130.44/592,139.56 = 257,008.07/x
  3. Step 3: Cross multiply
    429,130.44x = 592,139.56 × 257,008.07
  4. Step 4: Simplify right side
    429,130.44x = 152,184,645,486.25
  5. Step 5: Solve for x
    x = 152,184,645,486.25/429,130.44
  6. Step 6: Final answer
    x = 354,634.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.