Home / 457,635.03-686,445.18-142,092.24

Finding the Fourth Proportional to 457,635.03, 686,445.18 and 142,092.24

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Solution

The fourth proportional to 457,635.03, 686,445.18 and 142,092.24 is: 213,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,635.03 : 686,445.18 = 142,092.24 : x
  2. Step 2: Convert to fraction form
    457,635.03/686,445.18 = 142,092.24/x
  3. Step 3: Cross multiply
    457,635.03x = 686,445.18 × 142,092.24
  4. Step 4: Simplify right side
    457,635.03x = 97,538,533,263.40
  5. Step 5: Solve for x
    x = 97,538,533,263.40/457,635.03
  6. Step 6: Final answer
    x = 213,136.07

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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.