Home / 437,428.15-656,142.16-105,004.15

Finding the Fourth Proportional to 437,428.15, 656,142.16 and 105,004.15

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Solution

The fourth proportional to 437,428.15, 656,142.16 and 105,004.15 is: 157,506.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,428.15 : 656,142.16 = 105,004.15 : x
  2. Step 2: Convert to fraction form
    437,428.15/656,142.16 = 105,004.15/x
  3. Step 3: Cross multiply
    437,428.15x = 656,142.16 × 105,004.15
  4. Step 4: Simplify right side
    437,428.15x = 68,897,649,264.94
  5. Step 5: Solve for x
    x = 68,897,649,264.94/437,428.15
  6. Step 6: Final answer
    x = 157,506.21

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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.