Home / 279,897.24-386,262.21-152,572.83

Finding the Fourth Proportional to 279,897.24, 386,262.21 and 152,572.83

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Solution

The fourth proportional to 279,897.24, 386,262.21 and 152,572.83 is: 210,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,897.24 : 386,262.21 = 152,572.83 : x
  2. Step 2: Convert to fraction form
    279,897.24/386,262.21 = 152,572.83/x
  3. Step 3: Cross multiply
    279,897.24x = 386,262.21 × 152,572.83
  4. Step 4: Simplify right side
    279,897.24x = 58,933,118,501.75
  5. Step 5: Solve for x
    x = 58,933,118,501.75/279,897.24
  6. Step 6: Final answer
    x = 210,552.70

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1.5x scale

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.