Home / 358,905.96-495,312.29-197,760.97

Finding the Fourth Proportional to 358,905.96, 495,312.29 and 197,760.97

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Solution

The fourth proportional to 358,905.96, 495,312.29 and 197,760.97 is: 272,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,905.96 : 495,312.29 = 197,760.97 : x
  2. Step 2: Convert to fraction form
    358,905.96/495,312.29 = 197,760.97/x
  3. Step 3: Cross multiply
    358,905.96x = 495,312.29 × 197,760.97
  4. Step 4: Simplify right side
    358,905.96x = 97,953,438,551.38
  5. Step 5: Solve for x
    x = 97,953,438,551.38/358,905.96
  6. Step 6: Final answer
    x = 272,922.29

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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.