Home / 437,800.40-656,720.27-134,172.31

Finding the Fourth Proportional to 437,800.40, 656,720.27 and 134,172.31

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Solution

The fourth proportional to 437,800.40, 656,720.27 and 134,172.31 is: 201,264.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,800.40 : 656,720.27 = 134,172.31 : x
  2. Step 2: Convert to fraction form
    437,800.40/656,720.27 = 134,172.31/x
  3. Step 3: Cross multiply
    437,800.40x = 656,720.27 × 134,172.31
  4. Step 4: Simplify right side
    437,800.40x = 88,113,675,649.72
  5. Step 5: Solve for x
    x = 88,113,675,649.72/437,800.40
  6. Step 6: Final answer
    x = 201,264.49

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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.