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Finding the Fourth Proportional to 834,060, 1,251,320.40 and 243,084

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Solution

The fourth proportional to 834,060, 1,251,320.40 and 243,084 is: 364,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,060 : 1,251,320.40 = 243,084 : x
  2. Step 2: Convert to fraction form
    834,060/1,251,320.40 = 243,084/x
  3. Step 3: Cross multiply
    834,060x = 1,251,320.40 × 243,084
  4. Step 4: Simplify right side
    834,060x = 304,175,968,113.60
  5. Step 5: Solve for x
    x = 304,175,968,113.60/834,060
  6. Step 6: Final answer
    x = 364,693.15

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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.