Home / 316,222.56-474,331.32-129,102.84

Finding the Fourth Proportional to 316,222.56, 474,331.32 and 129,102.84

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Solution

The fourth proportional to 316,222.56, 474,331.32 and 129,102.84 is: 193,653.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,222.56 : 474,331.32 = 129,102.84 : x
  2. Step 2: Convert to fraction form
    316,222.56/474,331.32 = 129,102.84/x
  3. Step 3: Cross multiply
    316,222.56x = 474,331.32 × 129,102.84
  4. Step 4: Simplify right side
    316,222.56x = 61,237,520,512.95
  5. Step 5: Solve for x
    x = 61,237,520,512.95/316,222.56
  6. Step 6: Final answer
    x = 193,653.23

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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.