Home / 218,946.24-328,419.52-52,734.40

Finding the Fourth Proportional to 218,946.24, 328,419.52 and 52,734.40

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Solution

The fourth proportional to 218,946.24, 328,419.52 and 52,734.40 is: 79,101.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,946.24 : 328,419.52 = 52,734.40 : x
  2. Step 2: Convert to fraction form
    218,946.24/328,419.52 = 52,734.40/x
  3. Step 3: Cross multiply
    218,946.24x = 328,419.52 × 52,734.40
  4. Step 4: Simplify right side
    218,946.24x = 17,319,006,335.49
  5. Step 5: Solve for x
    x = 17,319,006,335.49/218,946.24
  6. Step 6: Final answer
    x = 79,101.64

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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.