Home / 218,748.20-328,122.30-183,756.20

Finding the Fourth Proportional to 218,748.20, 328,122.30 and 183,756.20

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Solution

The fourth proportional to 218,748.20, 328,122.30 and 183,756.20 is: 275,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,748.20 : 328,122.30 = 183,756.20 : x
  2. Step 2: Convert to fraction form
    218,748.20/328,122.30 = 183,756.20/x
  3. Step 3: Cross multiply
    218,748.20x = 328,122.30 × 183,756.20
  4. Step 4: Simplify right side
    218,748.20x = 60,294,506,983.26
  5. Step 5: Solve for x
    x = 60,294,506,983.26/218,748.20
  6. Step 6: Final answer
    x = 275,634.30

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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.