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Finding the Fourth Proportional to 658,332.10, 987,783.36 and 232,172.44

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Solution

The fourth proportional to 658,332.10, 987,783.36 and 232,172.44 is: 348,359.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,332.10 : 987,783.36 = 232,172.44 : x
  2. Step 2: Convert to fraction form
    658,332.10/987,783.36 = 232,172.44/x
  3. Step 3: Cross multiply
    658,332.10x = 987,783.36 × 232,172.44
  4. Step 4: Simplify right side
    658,332.10x = 229,336,072,882.60
  5. Step 5: Solve for x
    x = 229,336,072,882.60/658,332.10
  6. Step 6: Final answer
    x = 348,359.24

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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.