Home / 279,619.02-385,874.18-152,294.61

Finding the Fourth Proportional to 279,619.02, 385,874.18 and 152,294.61

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Solution

The fourth proportional to 279,619.02, 385,874.18 and 152,294.61 is: 210,166.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,619.02 : 385,874.18 = 152,294.61 : x
  2. Step 2: Convert to fraction form
    279,619.02/385,874.18 = 152,294.61/x
  3. Step 3: Cross multiply
    279,619.02x = 385,874.18 × 152,294.61
  4. Step 4: Simplify right side
    279,619.02x = 58,766,559,008.83
  5. Step 5: Solve for x
    x = 58,766,559,008.83/279,619.02
  6. Step 6: Final answer
    x = 210,166.53

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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.