Home / 865,158.40-1,297,834.80-266,114.80

Finding the Fourth Proportional to 865,158.40, 1,297,834.80 and 266,114.80

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Solution

The fourth proportional to 865,158.40, 1,297,834.80 and 266,114.80 is: 399,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,158.40 : 1,297,834.80 = 266,114.80 : x
  2. Step 2: Convert to fraction form
    865,158.40/1,297,834.80 = 266,114.80/x
  3. Step 3: Cross multiply
    865,158.40x = 1,297,834.80 × 266,114.80
  4. Step 4: Simplify right side
    865,158.40x = 345,373,048,235.04
  5. Step 5: Solve for x
    x = 345,373,048,235.04/865,158.40
  6. Step 6: Final answer
    x = 399,202.10

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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.