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Finding the Fourth Proportional to 456,456, 684,516.08 and 156,851.52

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Solution

The fourth proportional to 456,456, 684,516.08 and 156,851.52 is: 235,219.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,456 : 684,516.08 = 156,851.52 : x
  2. Step 2: Convert to fraction form
    456,456/684,516.08 = 156,851.52/x
  3. Step 3: Cross multiply
    456,456x = 684,516.08 × 156,851.52
  4. Step 4: Simplify right side
    456,456x = 107,367,387,612.44
  5. Step 5: Solve for x
    x = 107,367,387,612.44/456,456
  6. Step 6: Final answer
    x = 235,219.58

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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.