Home / 279,822-386,157.10-152,500.33

Finding the Fourth Proportional to 279,822, 386,157.10 and 152,500.33

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Solution

The fourth proportional to 279,822, 386,157.10 and 152,500.33 is: 210,451.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,822 : 386,157.10 = 152,500.33 : x
  2. Step 2: Convert to fraction form
    279,822/386,157.10 = 152,500.33/x
  3. Step 3: Cross multiply
    279,822x = 386,157.10 × 152,500.33
  4. Step 4: Simplify right side
    279,822x = 58,889,084,419.34
  5. Step 5: Solve for x
    x = 58,889,084,419.34/279,822
  6. Step 6: Final answer
    x = 210,451.95

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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.