Home / 296,865.40-445,352.10-97,130.20

Finding the Fourth Proportional to 296,865.40, 445,352.10 and 97,130.20

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Solution

The fourth proportional to 296,865.40, 445,352.10 and 97,130.20 is: 145,712.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,865.40 : 445,352.10 = 97,130.20 : x
  2. Step 2: Convert to fraction form
    296,865.40/445,352.10 = 97,130.20/x
  3. Step 3: Cross multiply
    296,865.40x = 445,352.10 × 97,130.20
  4. Step 4: Simplify right side
    296,865.40x = 43,257,138,543.42
  5. Step 5: Solve for x
    x = 43,257,138,543.42/296,865.40
  6. Step 6: Final answer
    x = 145,712.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.