Home / 218,926.54-328,393.05-144,523.18

Finding the Fourth Proportional to 218,926.54, 328,393.05 and 144,523.18

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Solution

The fourth proportional to 218,926.54, 328,393.05 and 144,523.18 is: 216,786.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,926.54 : 328,393.05 = 144,523.18 : x
  2. Step 2: Convert to fraction form
    218,926.54/328,393.05 = 144,523.18/x
  3. Step 3: Cross multiply
    218,926.54x = 328,393.05 × 144,523.18
  4. Step 4: Simplify right side
    218,926.54x = 47,460,407,875.90
  5. Step 5: Solve for x
    x = 47,460,407,875.90/218,926.54
  6. Step 6: Final answer
    x = 216,786.91

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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.