Home / 218,370.36-301,515.35-214,882.76

Finding the Fourth Proportional to 218,370.36, 301,515.35 and 214,882.76

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Solution

The fourth proportional to 218,370.36, 301,515.35 and 214,882.76 is: 296,699.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,370.36 : 301,515.35 = 214,882.76 : x
  2. Step 2: Convert to fraction form
    218,370.36/301,515.35 = 214,882.76/x
  3. Step 3: Cross multiply
    218,370.36x = 301,515.35 × 214,882.76
  4. Step 4: Simplify right side
    218,370.36x = 64,790,448,008.38
  5. Step 5: Solve for x
    x = 64,790,448,008.38/218,370.36
  6. Step 6: Final answer
    x = 296,699.83

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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.