Home / 316,731.46-474,436.14-189,969.70

Finding the Fourth Proportional to 316,731.46, 474,436.14 and 189,969.70

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Solution

The fourth proportional to 316,731.46, 474,436.14 and 189,969.70 is: 284,558.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,731.46 : 474,436.14 = 189,969.70 : x
  2. Step 2: Convert to fraction form
    316,731.46/474,436.14 = 189,969.70/x
  3. Step 3: Cross multiply
    316,731.46x = 474,436.14 × 189,969.70
  4. Step 4: Simplify right side
    316,731.46x = 90,128,491,184.96
  5. Step 5: Solve for x
    x = 90,128,491,184.96/316,731.46
  6. Step 6: Final answer
    x = 284,558.06

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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.