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Finding the Fourth Proportional to 330,374.31, 495,580.23 and 93,698.25

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Solution

The fourth proportional to 330,374.31, 495,580.23 and 93,698.25 is: 140,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,374.31 : 495,580.23 = 93,698.25 : x
  2. Step 2: Convert to fraction form
    330,374.31/495,580.23 = 93,698.25/x
  3. Step 3: Cross multiply
    330,374.31x = 495,580.23 × 93,698.25
  4. Step 4: Simplify right side
    330,374.31x = 46,435,000,285.60
  5. Step 5: Solve for x
    x = 46,435,000,285.60/330,374.31
  6. Step 6: Final answer
    x = 140,552.70

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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.