Home / 316,084.47-474,246.16-189,812.75

Finding the Fourth Proportional to 316,084.47, 474,246.16 and 189,812.75

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Solution

The fourth proportional to 316,084.47, 474,246.16 and 189,812.75 is: 284,790.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,084.47 : 474,246.16 = 189,812.75 : x
  2. Step 2: Convert to fraction form
    316,084.47/474,246.16 = 189,812.75/x
  3. Step 3: Cross multiply
    316,084.47x = 474,246.16 × 189,812.75
  4. Step 4: Simplify right side
    316,084.47x = 90,017,966,857.48
  5. Step 5: Solve for x
    x = 90,017,966,857.48/316,084.47
  6. Step 6: Final answer
    x = 284,790.86

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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.