Home / 269,785.04-404,807.16-145,109.84

Finding the Fourth Proportional to 269,785.04, 404,807.16 and 145,109.84

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Solution

The fourth proportional to 269,785.04, 404,807.16 and 145,109.84 is: 217,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,785.04 : 404,807.16 = 145,109.84 : x
  2. Step 2: Convert to fraction form
    269,785.04/404,807.16 = 145,109.84/x
  3. Step 3: Cross multiply
    269,785.04x = 404,807.16 × 145,109.84
  4. Step 4: Simplify right side
    269,785.04x = 58,741,502,218.45
  5. Step 5: Solve for x
    x = 58,741,502,218.45/269,785.04
  6. Step 6: Final answer
    x = 217,734.47

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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.