Home / 247,583.40-371,520.90-89,827.80

Finding the Fourth Proportional to 247,583.40, 371,520.90 and 89,827.80

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Solution

The fourth proportional to 247,583.40, 371,520.90 and 89,827.80 is: 134,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,583.40 : 371,520.90 = 89,827.80 : x
  2. Step 2: Convert to fraction form
    247,583.40/371,520.90 = 89,827.80/x
  3. Step 3: Cross multiply
    247,583.40x = 371,520.90 × 89,827.80
  4. Step 4: Simplify right side
    247,583.40x = 33,372,905,101.02
  5. Step 5: Solve for x
    x = 33,372,905,101.02/247,583.40
  6. Step 6: Final answer
    x = 134,794.60

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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.