Home / 266,711.04-400,106.34-98,218.44

Finding the Fourth Proportional to 266,711.04, 400,106.34 and 98,218.44

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Solution

The fourth proportional to 266,711.04, 400,106.34 and 98,218.44 is: 147,342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,711.04 : 400,106.34 = 98,218.44 : x
  2. Step 2: Convert to fraction form
    266,711.04/400,106.34 = 98,218.44/x
  3. Step 3: Cross multiply
    266,711.04x = 400,106.34 × 98,218.44
  4. Step 4: Simplify right side
    266,711.04x = 39,297,820,548.91
  5. Step 5: Solve for x
    x = 39,297,820,548.91/266,711.04
  6. Step 6: Final answer
    x = 147,342.31

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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.