Home / 316,968.50-475,411.11-156,982.16

Finding the Fourth Proportional to 316,968.50, 475,411.11 and 156,982.16

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Solution

The fourth proportional to 316,968.50, 475,411.11 and 156,982.16 is: 235,452.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,968.50 : 475,411.11 = 156,982.16 : x
  2. Step 2: Convert to fraction form
    316,968.50/475,411.11 = 156,982.16/x
  3. Step 3: Cross multiply
    316,968.50x = 475,411.11 × 156,982.16
  4. Step 4: Simplify right side
    316,968.50x = 74,631,060,558.74
  5. Step 5: Solve for x
    x = 74,631,060,558.74/316,968.50
  6. Step 6: Final answer
    x = 235,452.61

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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.