Home / 279,723.04-386,017.84-152,398.64

Finding the Fourth Proportional to 279,723.04, 386,017.84 and 152,398.64

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Solution

The fourth proportional to 279,723.04, 386,017.84 and 152,398.64 is: 210,310.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,723.04 : 386,017.84 = 152,398.64 : x
  2. Step 2: Convert to fraction form
    279,723.04/386,017.84 = 152,398.64/x
  3. Step 3: Cross multiply
    279,723.04x = 386,017.84 × 152,398.64
  4. Step 4: Simplify right side
    279,723.04x = 58,828,591,139.66
  5. Step 5: Solve for x
    x = 58,828,591,139.66/279,723.04
  6. Step 6: Final answer
    x = 210,310.14

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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.