Home / 279,359.19-385,508.30-152,032.05

Finding the Fourth Proportional to 279,359.19, 385,508.30 and 152,032.05

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Solution

The fourth proportional to 279,359.19, 385,508.30 and 152,032.05 is: 209,800.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,359.19 : 385,508.30 = 152,032.05 : x
  2. Step 2: Convert to fraction form
    279,359.19/385,508.30 = 152,032.05/x
  3. Step 3: Cross multiply
    279,359.19x = 385,508.30 × 152,032.05
  4. Step 4: Simplify right side
    279,359.19x = 58,609,616,380.85
  5. Step 5: Solve for x
    x = 58,609,616,380.85/279,359.19
  6. Step 6: Final answer
    x = 209,800.21

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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.