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Finding the Fourth Proportional to 448,476.47, 672,717.14 and 116,052.47

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Solution

The fourth proportional to 448,476.47, 672,717.14 and 116,052.47 is: 174,079.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,476.47 : 672,717.14 = 116,052.47 : x
  2. Step 2: Convert to fraction form
    448,476.47/672,717.14 = 116,052.47/x
  3. Step 3: Cross multiply
    448,476.47x = 672,717.14 × 116,052.47
  4. Step 4: Simplify right side
    448,476.47x = 78,070,481,764.49
  5. Step 5: Solve for x
    x = 78,070,481,764.49/448,476.47
  6. Step 6: Final answer
    x = 174,079.33

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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.