Home / 219,013.20-328,629.15-124,316.10

Finding the Fourth Proportional to 219,013.20, 328,629.15 and 124,316.10

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Solution

The fourth proportional to 219,013.20, 328,629.15 and 124,316.10 is: 186,536.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,013.20 : 328,629.15 = 124,316.10 : x
  2. Step 2: Convert to fraction form
    219,013.20/328,629.15 = 124,316.10/x
  3. Step 3: Cross multiply
    219,013.20x = 328,629.15 × 124,316.10
  4. Step 4: Simplify right side
    219,013.20x = 40,853,894,274.32
  5. Step 5: Solve for x
    x = 40,853,894,274.32/219,013.20
  6. Step 6: Final answer
    x = 186,536.22

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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.