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Finding the Fourth Proportional to 299,068.47, 448,602.66 and 88,704.59

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Solution

The fourth proportional to 299,068.47, 448,602.66 and 88,704.59 is: 133,056.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,068.47 : 448,602.66 = 88,704.59 : x
  2. Step 2: Convert to fraction form
    299,068.47/448,602.66 = 88,704.59/x
  3. Step 3: Cross multiply
    299,068.47x = 448,602.66 × 88,704.59
  4. Step 4: Simplify right side
    299,068.47x = 39,793,112,785.20
  5. Step 5: Solve for x
    x = 39,793,112,785.20/299,068.47
  6. Step 6: Final answer
    x = 133,056.86

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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.