Home / 266,321.10-399,483.18-88,827.60

Finding the Fourth Proportional to 266,321.10, 399,483.18 and 88,827.60

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Solution

The fourth proportional to 266,321.10, 399,483.18 and 88,827.60 is: 133,241.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,321.10 : 399,483.18 = 88,827.60 : x
  2. Step 2: Convert to fraction form
    266,321.10/399,483.18 = 88,827.60/x
  3. Step 3: Cross multiply
    266,321.10x = 399,483.18 × 88,827.60
  4. Step 4: Simplify right side
    266,321.10x = 35,485,132,119.77
  5. Step 5: Solve for x
    x = 35,485,132,119.77/266,321.10
  6. Step 6: Final answer
    x = 133,241.91

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1.5x scale

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.