Home / 385,607.04-532,122.24-215,857.92

Finding the Fourth Proportional to 385,607.04, 532,122.24 and 215,857.92

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Solution

The fourth proportional to 385,607.04, 532,122.24 and 215,857.92 is: 297,875.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,607.04 : 532,122.24 = 215,857.92 : x
  2. Step 2: Convert to fraction form
    385,607.04/532,122.24 = 215,857.92/x
  3. Step 3: Cross multiply
    385,607.04x = 532,122.24 × 215,857.92
  4. Step 4: Simplify right side
    385,607.04x = 114,862,799,912.14
  5. Step 5: Solve for x
    x = 114,862,799,912.14/385,607.04
  6. Step 6: Final answer
    x = 297,875.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.