Home / 358,735.32-495,011.66-205,765.61

Finding the Fourth Proportional to 358,735.32, 495,011.66 and 205,765.61

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Solution

The fourth proportional to 358,735.32, 495,011.66 and 205,765.61 is: 283,931.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,735.32 : 495,011.66 = 205,765.61 : x
  2. Step 2: Convert to fraction form
    358,735.32/495,011.66 = 205,765.61/x
  3. Step 3: Cross multiply
    358,735.32x = 495,011.66 × 205,765.61
  4. Step 4: Simplify right side
    358,735.32x = 101,856,372,673.13
  5. Step 5: Solve for x
    x = 101,856,372,673.13/358,735.32
  6. Step 6: Final answer
    x = 283,931.82

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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.