Home / 279,864.04-386,218.50-152,545.96

Finding the Fourth Proportional to 279,864.04, 386,218.50 and 152,545.96

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Solution

The fourth proportional to 279,864.04, 386,218.50 and 152,545.96 is: 210,516.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,864.04 : 386,218.50 = 152,545.96 : x
  2. Step 2: Convert to fraction form
    279,864.04/386,218.50 = 152,545.96/x
  3. Step 3: Cross multiply
    279,864.04x = 386,218.50 × 152,545.96
  4. Step 4: Simplify right side
    279,864.04x = 58,916,071,852.26
  5. Step 5: Solve for x
    x = 58,916,071,852.26/279,864.04
  6. Step 6: Final answer
    x = 210,516.76

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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.