Home / 642,909.16-964,052.70-222,037.48

Finding the Fourth Proportional to 642,909.16, 964,052.70 and 222,037.48

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Solution

The fourth proportional to 642,909.16, 964,052.70 and 222,037.48 is: 332,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,909.16 : 964,052.70 = 222,037.48 : x
  2. Step 2: Convert to fraction form
    642,909.16/964,052.70 = 222,037.48/x
  3. Step 3: Cross multiply
    642,909.16x = 964,052.70 × 222,037.48
  4. Step 4: Simplify right side
    642,909.16x = 214,055,832,095.20
  5. Step 5: Solve for x
    x = 214,055,832,095.20/642,909.16
  6. Step 6: Final answer
    x = 332,948.80

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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.