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Finding the Fourth Proportional to 271,926.40, 375,251.70 and 151,068

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Solution

The fourth proportional to 271,926.40, 375,251.70 and 151,068 is: 208,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,926.40 : 375,251.70 = 151,068 : x
  2. Step 2: Convert to fraction form
    271,926.40/375,251.70 = 151,068/x
  3. Step 3: Cross multiply
    271,926.40x = 375,251.70 × 151,068
  4. Step 4: Simplify right side
    271,926.40x = 56,688,523,815.60
  5. Step 5: Solve for x
    x = 56,688,523,815.60/271,926.40
  6. Step 6: Final answer
    x = 208,470.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.