Home / 272,435.35-375,954.92-157,718.85

Finding the Fourth Proportional to 272,435.35, 375,954.92 and 157,718.85

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Solution

The fourth proportional to 272,435.35, 375,954.92 and 157,718.85 is: 217,648.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,435.35 : 375,954.92 = 157,718.85 : x
  2. Step 2: Convert to fraction form
    272,435.35/375,954.92 = 157,718.85/x
  3. Step 3: Cross multiply
    272,435.35x = 375,954.92 × 157,718.85
  4. Step 4: Simplify right side
    272,435.35x = 59,295,176,027.26
  5. Step 5: Solve for x
    x = 59,295,176,027.26/272,435.35
  6. Step 6: Final answer
    x = 217,648.61

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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.