Home / 243,479.20-336,104.76-148,016.38

Finding the Fourth Proportional to 243,479.20, 336,104.76 and 148,016.38

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Solution

The fourth proportional to 243,479.20, 336,104.76 and 148,016.38 is: 204,325.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,479.20 : 336,104.76 = 148,016.38 : x
  2. Step 2: Convert to fraction form
    243,479.20/336,104.76 = 148,016.38/x
  3. Step 3: Cross multiply
    243,479.20x = 336,104.76 × 148,016.38
  4. Step 4: Simplify right side
    243,479.20x = 49,749,009,875.97
  5. Step 5: Solve for x
    x = 49,749,009,875.97/243,479.20
  6. Step 6: Final answer
    x = 204,325.50

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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.