Home / 218,744.40-328,106.88-60,969.36

Finding the Fourth Proportional to 218,744.40, 328,106.88 and 60,969.36

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Solution

The fourth proportional to 218,744.40, 328,106.88 and 60,969.36 is: 91,451.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,744.40 : 328,106.88 = 60,969.36 : x
  2. Step 2: Convert to fraction form
    218,744.40/328,106.88 = 60,969.36/x
  3. Step 3: Cross multiply
    218,744.40x = 328,106.88 × 60,969.36
  4. Step 4: Simplify right side
    218,744.40x = 20,004,466,485.20
  5. Step 5: Solve for x
    x = 20,004,466,485.20/218,744.40
  6. Step 6: Final answer
    x = 91,451.33

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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.