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Finding the Fourth Proportional to 459,057.60, 633,395.70 and 277,765.02

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Solution

The fourth proportional to 459,057.60, 633,395.70 and 277,765.02 is: 383,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,057.60 : 633,395.70 = 277,765.02 : x
  2. Step 2: Convert to fraction form
    459,057.60/633,395.70 = 277,765.02/x
  3. Step 3: Cross multiply
    459,057.60x = 633,395.70 × 277,765.02
  4. Step 4: Simplify right side
    459,057.60x = 175,935,169,278.41
  5. Step 5: Solve for x
    x = 175,935,169,278.41/459,057.60
  6. Step 6: Final answer
    x = 383,252.93

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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.