Home / 279,332.38-385,486.73-152,016.04

Finding the Fourth Proportional to 279,332.38, 385,486.73 and 152,016.04

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Solution

The fourth proportional to 279,332.38, 385,486.73 and 152,016.04 is: 209,786.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,332.38 : 385,486.73 = 152,016.04 : x
  2. Step 2: Convert to fraction form
    279,332.38/385,486.73 = 152,016.04/x
  3. Step 3: Cross multiply
    279,332.38x = 385,486.73 × 152,016.04
  4. Step 4: Simplify right side
    279,332.38x = 58,600,166,167.15
  5. Step 5: Solve for x
    x = 58,600,166,167.15/279,332.38
  6. Step 6: Final answer
    x = 209,786.51

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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.