Home / 358,766.10-495,091.17-197,636.22

Finding the Fourth Proportional to 358,766.10, 495,091.17 and 197,636.22

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Solution

The fourth proportional to 358,766.10, 495,091.17 and 197,636.22 is: 272,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,766.10 : 495,091.17 = 197,636.22 : x
  2. Step 2: Convert to fraction form
    358,766.10/495,091.17 = 197,636.22/x
  3. Step 3: Cross multiply
    358,766.10x = 495,091.17 × 197,636.22
  4. Step 4: Simplify right side
    358,766.10x = 97,847,947,394.18
  5. Step 5: Solve for x
    x = 97,847,947,394.18/358,766.10
  6. Step 6: Final answer
    x = 272,734.65

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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.