Home / 280,046.73-386,487.45-159,225.93

Finding the Fourth Proportional to 280,046.73, 386,487.45 and 159,225.93

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Solution

The fourth proportional to 280,046.73, 386,487.45 and 159,225.93 is: 219,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,046.73 : 386,487.45 = 159,225.93 : x
  2. Step 2: Convert to fraction form
    280,046.73/386,487.45 = 159,225.93/x
  3. Step 3: Cross multiply
    280,046.73x = 386,487.45 × 159,225.93
  4. Step 4: Simplify right side
    280,046.73x = 61,538,823,659.58
  5. Step 5: Solve for x
    x = 61,538,823,659.58/280,046.73
  6. Step 6: Final answer
    x = 219,744.84

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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.