Home / 279,922.64-386,292.92-152,598.20

Finding the Fourth Proportional to 279,922.64, 386,292.92 and 152,598.20

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Solution

The fourth proportional to 279,922.64, 386,292.92 and 152,598.20 is: 210,585.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,922.64 : 386,292.92 = 152,598.20 : x
  2. Step 2: Convert to fraction form
    279,922.64/386,292.92 = 152,598.20/x
  3. Step 3: Cross multiply
    279,922.64x = 386,292.92 × 152,598.20
  4. Step 4: Simplify right side
    279,922.64x = 58,947,601,570.29
  5. Step 5: Solve for x
    x = 58,947,601,570.29/279,922.64
  6. Step 6: Final answer
    x = 210,585.33

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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.