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Finding the Fourth Proportional to 156,276, 234,452.88 and 45,468

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Solution

The fourth proportional to 156,276, 234,452.88 and 45,468 is: 68,213.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,276 : 234,452.88 = 45,468 : x
  2. Step 2: Convert to fraction form
    156,276/234,452.88 = 45,468/x
  3. Step 3: Cross multiply
    156,276x = 234,452.88 × 45,468
  4. Step 4: Simplify right side
    156,276x = 10,660,103,547.84
  5. Step 5: Solve for x
    x = 10,660,103,547.84/156,276
  6. Step 6: Final answer
    x = 68,213.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.