Home / 266,254.02-367,423.83-145,398.78

Finding the Fourth Proportional to 266,254.02, 367,423.83 and 145,398.78

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Solution

The fourth proportional to 266,254.02, 367,423.83 and 145,398.78 is: 200,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,254.02 : 367,423.83 = 145,398.78 : x
  2. Step 2: Convert to fraction form
    266,254.02/367,423.83 = 145,398.78/x
  3. Step 3: Cross multiply
    266,254.02x = 367,423.83 × 145,398.78
  4. Step 4: Simplify right side
    266,254.02x = 53,422,976,624.93
  5. Step 5: Solve for x
    x = 53,422,976,624.93/266,254.02
  6. Step 6: Final answer
    x = 200,646.65

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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.