Home / 279,474.25-385,675.38-152,150.76

Finding the Fourth Proportional to 279,474.25, 385,675.38 and 152,150.76

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Solution

The fourth proportional to 279,474.25, 385,675.38 and 152,150.76 is: 209,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,474.25 : 385,675.38 = 152,150.76 : x
  2. Step 2: Convert to fraction form
    279,474.25/385,675.38 = 152,150.76/x
  3. Step 3: Cross multiply
    279,474.25x = 385,675.38 × 152,150.76
  4. Step 4: Simplify right side
    279,474.25x = 58,680,802,180.29
  5. Step 5: Solve for x
    x = 58,680,802,180.29/279,474.25
  6. Step 6: Final answer
    x = 209,968.55

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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.