Home / 316,440.25-474,738.15-94,824.25

Finding the Fourth Proportional to 316,440.25, 474,738.15 and 94,824.25

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Solution

The fourth proportional to 316,440.25, 474,738.15 and 94,824.25 is: 142,259.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,440.25 : 474,738.15 = 94,824.25 : x
  2. Step 2: Convert to fraction form
    316,440.25/474,738.15 = 94,824.25/x
  3. Step 3: Cross multiply
    316,440.25x = 474,738.15 × 94,824.25
  4. Step 4: Simplify right side
    316,440.25x = 45,016,689,020.14
  5. Step 5: Solve for x
    x = 45,016,689,020.14/316,440.25
  6. Step 6: Final answer
    x = 142,259.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.