Home / 316,199.68-474,300.33-129,211.18

Finding the Fourth Proportional to 316,199.68, 474,300.33 and 129,211.18

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Solution

The fourth proportional to 316,199.68, 474,300.33 and 129,211.18 is: 193,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,199.68 : 474,300.33 = 129,211.18 : x
  2. Step 2: Convert to fraction form
    316,199.68/474,300.33 = 129,211.18/x
  3. Step 3: Cross multiply
    316,199.68x = 474,300.33 × 129,211.18
  4. Step 4: Simplify right side
    316,199.68x = 61,284,905,313.69
  5. Step 5: Solve for x
    x = 61,284,905,313.69/316,199.68
  6. Step 6: Final answer
    x = 193,817.10

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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.