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Finding the Fourth Proportional to 658,117, 987,175.64 and 237,392.84

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Solution

The fourth proportional to 658,117, 987,175.64 and 237,392.84 is: 356,089.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,117 : 987,175.64 = 237,392.84 : x
  2. Step 2: Convert to fraction form
    658,117/987,175.64 = 237,392.84/x
  3. Step 3: Cross multiply
    658,117x = 987,175.64 × 237,392.84
  4. Step 4: Simplify right side
    658,117x = 234,348,428,758.42
  5. Step 5: Solve for x
    x = 234,348,428,758.42/658,117
  6. Step 6: Final answer
    x = 356,089.31

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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.