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Finding the Fourth Proportional to 489,182.40, 733,773.60 and 173,671.20

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Solution

The fourth proportional to 489,182.40, 733,773.60 and 173,671.20 is: 260,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,182.40 : 733,773.60 = 173,671.20 : x
  2. Step 2: Convert to fraction form
    489,182.40/733,773.60 = 173,671.20/x
  3. Step 3: Cross multiply
    489,182.40x = 733,773.60 × 173,671.20
  4. Step 4: Simplify right side
    489,182.40x = 127,435,341,640.32
  5. Step 5: Solve for x
    x = 127,435,341,640.32/489,182.40
  6. Step 6: Final answer
    x = 260,506.80

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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.