Home / 279,474.14-385,674.02-152,149.74

Finding the Fourth Proportional to 279,474.14, 385,674.02 and 152,149.74

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Solution

The fourth proportional to 279,474.14, 385,674.02 and 152,149.74 is: 209,966.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,474.14 : 385,674.02 = 152,149.74 : x
  2. Step 2: Convert to fraction form
    279,474.14/385,674.02 = 152,149.74/x
  3. Step 3: Cross multiply
    279,474.14x = 385,674.02 × 152,149.74
  4. Step 4: Simplify right side
    279,474.14x = 58,680,201,867.75
  5. Step 5: Solve for x
    x = 58,680,201,867.75/279,474.14
  6. Step 6: Final answer
    x = 209,966.48

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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.