Home / 279,358.44-385,507.26-152,031.30

Finding the Fourth Proportional to 279,358.44, 385,507.26 and 152,031.30

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Solution

The fourth proportional to 279,358.44, 385,507.26 and 152,031.30 is: 209,799.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,358.44 : 385,507.26 = 152,031.30 : x
  2. Step 2: Convert to fraction form
    279,358.44/385,507.26 = 152,031.30/x
  3. Step 3: Cross multiply
    279,358.44x = 385,507.26 × 152,031.30
  4. Step 4: Simplify right side
    279,358.44x = 58,609,169,897.24
  5. Step 5: Solve for x
    x = 58,609,169,897.24/279,358.44
  6. Step 6: Final answer
    x = 209,799.17

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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.