Home / 279,736.76-386,031.80-152,413.24

Finding the Fourth Proportional to 279,736.76, 386,031.80 and 152,413.24

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Solution

The fourth proportional to 279,736.76, 386,031.80 and 152,413.24 is: 210,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,736.76 : 386,031.80 = 152,413.24 : x
  2. Step 2: Convert to fraction form
    279,736.76/386,031.80 = 152,413.24/x
  3. Step 3: Cross multiply
    279,736.76x = 386,031.80 × 152,413.24
  4. Step 4: Simplify right side
    279,736.76x = 58,836,357,381.03
  5. Step 5: Solve for x
    x = 58,836,357,381.03/279,736.76
  6. Step 6: Final answer
    x = 210,327.59

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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.