Home / 316,201.68-474,303.33-129,213.18

Finding the Fourth Proportional to 316,201.68, 474,303.33 and 129,213.18

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Solution

The fourth proportional to 316,201.68, 474,303.33 and 129,213.18 is: 193,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,201.68 : 474,303.33 = 129,213.18 : x
  2. Step 2: Convert to fraction form
    316,201.68/474,303.33 = 129,213.18/x
  3. Step 3: Cross multiply
    316,201.68x = 474,303.33 × 129,213.18
  4. Step 4: Simplify right side
    316,201.68x = 61,286,241,553.89
  5. Step 5: Solve for x
    x = 61,286,241,553.89/316,201.68
  6. Step 6: Final answer
    x = 193,820.10

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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.