Home / 266,861.28-368,219.88-152,135.04

Finding the Fourth Proportional to 266,861.28, 368,219.88 and 152,135.04

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Solution

The fourth proportional to 266,861.28, 368,219.88 and 152,135.04 is: 209,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,861.28 : 368,219.88 = 152,135.04 : x
  2. Step 2: Convert to fraction form
    266,861.28/368,219.88 = 152,135.04/x
  3. Step 3: Cross multiply
    266,861.28x = 368,219.88 × 152,135.04
  4. Step 4: Simplify right side
    266,861.28x = 56,019,146,172.60
  5. Step 5: Solve for x
    x = 56,019,146,172.60/266,861.28
  6. Step 6: Final answer
    x = 209,918.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.