Home / 266,278.86-367,459.00-145,420.65

Finding the Fourth Proportional to 266,278.86, 367,459.00 and 145,420.65

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Solution

The fourth proportional to 266,278.86, 367,459.00 and 145,420.65 is: 200,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,278.86 : 367,459.00 = 145,420.65 : x
  2. Step 2: Convert to fraction form
    266,278.86/367,459.00 = 145,420.65/x
  3. Step 3: Cross multiply
    266,278.86x = 367,459.00 × 145,420.65
  4. Step 4: Simplify right side
    266,278.86x = 53,436,126,264.80
  5. Step 5: Solve for x
    x = 53,436,126,264.80/266,278.86
  6. Step 6: Final answer
    x = 200,677.31

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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.