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Finding the Fourth Proportional to 452,432, 624,382.08 and 251,240.96

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Solution

The fourth proportional to 452,432, 624,382.08 and 251,240.96 is: 346,726.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,432 : 624,382.08 = 251,240.96 : x
  2. Step 2: Convert to fraction form
    452,432/624,382.08 = 251,240.96/x
  3. Step 3: Cross multiply
    452,432x = 624,382.08 × 251,240.96
  4. Step 4: Simplify right side
    452,432x = 156,870,353,186.00
  5. Step 5: Solve for x
    x = 156,870,353,186.00/452,432
  6. Step 6: Final answer
    x = 346,726.92

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1.5x scale

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.