Home / 371,933-557,572.32-147,451.12

Finding the Fourth Proportional to 371,933, 557,572.32 and 147,451.12

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Solution

The fourth proportional to 371,933, 557,572.32 and 147,451.12 is: 221,046.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,933 : 557,572.32 = 147,451.12 : x
  2. Step 2: Convert to fraction form
    371,933/557,572.32 = 147,451.12/x
  3. Step 3: Cross multiply
    371,933x = 557,572.32 × 147,451.12
  4. Step 4: Simplify right side
    371,933x = 82,214,663,065.00
  5. Step 5: Solve for x
    x = 82,214,663,065.00/371,933
  6. Step 6: Final answer
    x = 221,046.97

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1.5x scale

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.