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Finding the Fourth Proportional to 615,519.52, 923,332.14 and 216,125.96

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Solution

The fourth proportional to 615,519.52, 923,332.14 and 216,125.96 is: 324,207.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,519.52 : 923,332.14 = 216,125.96 : x
  2. Step 2: Convert to fraction form
    615,519.52/923,332.14 = 216,125.96/x
  3. Step 3: Cross multiply
    615,519.52x = 923,332.14 × 216,125.96
  4. Step 4: Simplify right side
    615,519.52x = 199,556,045,156.35
  5. Step 5: Solve for x
    x = 199,556,045,156.35/615,519.52
  6. Step 6: Final answer
    x = 324,207.50

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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.