Home / 358,917.15-495,327.78-197,772.17

Finding the Fourth Proportional to 358,917.15, 495,327.78 and 197,772.17

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Solution

The fourth proportional to 358,917.15, 495,327.78 and 197,772.17 is: 272,937.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,917.15 : 495,327.78 = 197,772.17 : x
  2. Step 2: Convert to fraction form
    358,917.15/495,327.78 = 197,772.17/x
  3. Step 3: Cross multiply
    358,917.15x = 495,327.78 × 197,772.17
  4. Step 4: Simplify right side
    358,917.15x = 97,962,048,923.02
  5. Step 5: Solve for x
    x = 97,962,048,923.02/358,917.15
  6. Step 6: Final answer
    x = 272,937.78

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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.