Home / 358,769.08-495,099.03-197,620.39

Finding the Fourth Proportional to 358,769.08, 495,099.03 and 197,620.39

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Solution

The fourth proportional to 358,769.08, 495,099.03 and 197,620.39 is: 272,714.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,769.08 : 495,099.03 = 197,620.39 : x
  2. Step 2: Convert to fraction form
    358,769.08/495,099.03 = 197,620.39/x
  3. Step 3: Cross multiply
    358,769.08x = 495,099.03 × 197,620.39
  4. Step 4: Simplify right side
    358,769.08x = 97,841,663,397.22
  5. Step 5: Solve for x
    x = 97,841,663,397.22/358,769.08
  6. Step 6: Final answer
    x = 272,714.87

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1.5x scale

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.