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Finding the Fourth Proportional to 937,002, 1,405,541.88 and 272,154

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Solution

The fourth proportional to 937,002, 1,405,541.88 and 272,154 is: 408,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,002 : 1,405,541.88 = 272,154 : x
  2. Step 2: Convert to fraction form
    937,002/1,405,541.88 = 272,154/x
  3. Step 3: Cross multiply
    937,002x = 1,405,541.88 × 272,154
  4. Step 4: Simplify right side
    937,002x = 382,523,844,809.52
  5. Step 5: Solve for x
    x = 382,523,844,809.52/937,002
  6. Step 6: Final answer
    x = 408,242.29

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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.