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Finding the Fourth Proportional to 453,872, 681,119.04 and 158,384

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Solution

The fourth proportional to 453,872, 681,119.04 and 158,384 is: 237,684.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,872 : 681,119.04 = 158,384 : x
  2. Step 2: Convert to fraction form
    453,872/681,119.04 = 158,384/x
  3. Step 3: Cross multiply
    453,872x = 681,119.04 × 158,384
  4. Step 4: Simplify right side
    453,872x = 107,878,358,031.36
  5. Step 5: Solve for x
    x = 107,878,358,031.36/453,872
  6. Step 6: Final answer
    x = 237,684.54

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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.