Home / 314,870.72-472,267.20-137,500.16

Finding the Fourth Proportional to 314,870.72, 472,267.20 and 137,500.16

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Solution

The fourth proportional to 314,870.72, 472,267.20 and 137,500.16 is: 206,233.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,870.72 : 472,267.20 = 137,500.16 : x
  2. Step 2: Convert to fraction form
    314,870.72/472,267.20 = 137,500.16/x
  3. Step 3: Cross multiply
    314,870.72x = 472,267.20 × 137,500.16
  4. Step 4: Simplify right side
    314,870.72x = 64,936,815,562.75
  5. Step 5: Solve for x
    x = 64,936,815,562.75/314,870.72
  6. Step 6: Final answer
    x = 206,233.26

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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.