Home / 218,711.33-299,853.20-214,725.52

Finding the Fourth Proportional to 218,711.33, 299,853.20 and 214,725.52

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Solution

The fourth proportional to 218,711.33, 299,853.20 and 214,725.52 is: 294,388.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,711.33 : 299,853.20 = 214,725.52 : x
  2. Step 2: Convert to fraction form
    218,711.33/299,853.20 = 214,725.52/x
  3. Step 3: Cross multiply
    218,711.33x = 299,853.20 × 214,725.52
  4. Step 4: Simplify right side
    218,711.33x = 64,386,134,293.66
  5. Step 5: Solve for x
    x = 64,386,134,293.66/218,711.33
  6. Step 6: Final answer
    x = 294,388.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.