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Finding the Fourth Proportional to 453,794.76, 680,696.03 and 129,582.02

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Solution

The fourth proportional to 453,794.76, 680,696.03 and 129,582.02 is: 194,374.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,794.76 : 680,696.03 = 129,582.02 : x
  2. Step 2: Convert to fraction form
    453,794.76/680,696.03 = 129,582.02/x
  3. Step 3: Cross multiply
    453,794.76x = 680,696.03 × 129,582.02
  4. Step 4: Simplify right side
    453,794.76x = 88,205,966,573.38
  5. Step 5: Solve for x
    x = 88,205,966,573.38/453,794.76
  6. Step 6: Final answer
    x = 194,374.14

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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.