Home / 286,586.97-429,221.33-166,346.13

Finding the Fourth Proportional to 286,586.97, 429,221.33 and 166,346.13

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Solution

The fourth proportional to 286,586.97, 429,221.33 and 166,346.13 is: 249,136.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,586.97 : 429,221.33 = 166,346.13 : x
  2. Step 2: Convert to fraction form
    286,586.97/429,221.33 = 166,346.13/x
  3. Step 3: Cross multiply
    286,586.97x = 429,221.33 × 166,346.13
  4. Step 4: Simplify right side
    286,586.97x = 71,399,305,428.71
  5. Step 5: Solve for x
    x = 71,399,305,428.71/286,586.97
  6. Step 6: Final answer
    x = 249,136.61

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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.