Home / 438,088.56-657,204.94-134,475.10

Finding the Fourth Proportional to 438,088.56, 657,204.94 and 134,475.10

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Solution

The fourth proportional to 438,088.56, 657,204.94 and 134,475.10 is: 201,734.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,088.56 : 657,204.94 = 134,475.10 : x
  2. Step 2: Convert to fraction form
    438,088.56/657,204.94 = 134,475.10/x
  3. Step 3: Cross multiply
    438,088.56x = 657,204.94 × 134,475.10
  4. Step 4: Simplify right side
    438,088.56x = 88,377,697,077.16
  5. Step 5: Solve for x
    x = 88,377,697,077.16/438,088.56
  6. Step 6: Final answer
    x = 201,734.77

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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.