Home / 664,859.13-997,288.69-166,223.13

Finding the Fourth Proportional to 664,859.13, 997,288.69 and 166,223.13

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Solution

The fourth proportional to 664,859.13, 997,288.69 and 166,223.13 is: 249,334.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,859.13 : 997,288.69 = 166,223.13 : x
  2. Step 2: Convert to fraction form
    664,859.13/997,288.69 = 166,223.13/x
  3. Step 3: Cross multiply
    664,859.13x = 997,288.69 × 166,223.13
  4. Step 4: Simplify right side
    664,859.13x = 165,772,447,565.40
  5. Step 5: Solve for x
    x = 165,772,447,565.40/664,859.13
  6. Step 6: Final answer
    x = 249,334.69

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Similar ratio
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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.