Home / 218,944.80-328,417.20-159,069.60

Finding the Fourth Proportional to 218,944.80, 328,417.20 and 159,069.60

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Solution

The fourth proportional to 218,944.80, 328,417.20 and 159,069.60 is: 238,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,944.80 : 328,417.20 = 159,069.60 : x
  2. Step 2: Convert to fraction form
    218,944.80/328,417.20 = 159,069.60/x
  3. Step 3: Cross multiply
    218,944.80x = 328,417.20 × 159,069.60
  4. Step 4: Simplify right side
    218,944.80x = 52,241,192,637.12
  5. Step 5: Solve for x
    x = 52,241,192,637.12/218,944.80
  6. Step 6: Final answer
    x = 238,604.40

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1.5x scale

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.