Home / 218,849.40-328,274.02-169,002.18

Finding the Fourth Proportional to 218,849.40, 328,274.02 and 169,002.18

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Solution

The fourth proportional to 218,849.40, 328,274.02 and 169,002.18 is: 253,503.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,849.40 : 328,274.02 = 169,002.18 : x
  2. Step 2: Convert to fraction form
    218,849.40/328,274.02 = 169,002.18/x
  3. Step 3: Cross multiply
    218,849.40x = 328,274.02 × 169,002.18
  4. Step 4: Simplify right side
    218,849.40x = 55,479,025,017.36
  5. Step 5: Solve for x
    x = 55,479,025,017.36/218,849.40
  6. Step 6: Final answer
    x = 253,503.21

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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.