Home / 279,660.16-385,936.98-152,335.48

Finding the Fourth Proportional to 279,660.16, 385,936.98 and 152,335.48

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Solution

The fourth proportional to 279,660.16, 385,936.98 and 152,335.48 is: 210,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,660.16 : 385,936.98 = 152,335.48 : x
  2. Step 2: Convert to fraction form
    279,660.16/385,936.98 = 152,335.48/x
  3. Step 3: Cross multiply
    279,660.16x = 385,936.98 × 152,335.48
  4. Step 4: Simplify right side
    279,660.16x = 58,791,895,098.05
  5. Step 5: Solve for x
    x = 58,791,895,098.05/279,660.16
  6. Step 6: Final answer
    x = 210,226.21

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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.