Home / 217,417.29-325,503.86-147,170.85

Finding the Fourth Proportional to 217,417.29, 325,503.86 and 147,170.85

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Solution

The fourth proportional to 217,417.29, 325,503.86 and 147,170.85 is: 220,335.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,417.29 : 325,503.86 = 147,170.85 : x
  2. Step 2: Convert to fraction form
    217,417.29/325,503.86 = 147,170.85/x
  3. Step 3: Cross multiply
    217,417.29x = 325,503.86 × 147,170.85
  4. Step 4: Simplify right side
    217,417.29x = 47,904,679,018.63
  5. Step 5: Solve for x
    x = 47,904,679,018.63/217,417.29
  6. Step 6: Final answer
    x = 220,335.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.