Home / 266,213.18-367,371.40-145,354.10

Finding the Fourth Proportional to 266,213.18, 367,371.40 and 145,354.10

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Solution

The fourth proportional to 266,213.18, 367,371.40 and 145,354.10 is: 200,587.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,213.18 : 367,371.40 = 145,354.10 : x
  2. Step 2: Convert to fraction form
    266,213.18/367,371.40 = 145,354.10/x
  3. Step 3: Cross multiply
    266,213.18x = 367,371.40 × 145,354.10
  4. Step 4: Simplify right side
    266,213.18x = 53,398,937,012.50
  5. Step 5: Solve for x
    x = 53,398,937,012.50/266,213.18
  6. Step 6: Final answer
    x = 200,587.13

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1.5x scale

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.