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Finding the Fourth Proportional to 283,346.70, 424,917.90 and 93,772.06

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Solution

The fourth proportional to 283,346.70, 424,917.90 and 93,772.06 is: 140,624.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,346.70 : 424,917.90 = 93,772.06 : x
  2. Step 2: Convert to fraction form
    283,346.70/424,917.90 = 93,772.06/x
  3. Step 3: Cross multiply
    283,346.70x = 424,917.90 × 93,772.06
  4. Step 4: Simplify right side
    283,346.70x = 39,845,426,813.87
  5. Step 5: Solve for x
    x = 39,845,426,813.87/283,346.70
  6. Step 6: Final answer
    x = 140,624.28

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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.