Home / 325,815.10-488,576.85-126,069.10

Finding the Fourth Proportional to 325,815.10, 488,576.85 and 126,069.10

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Solution

The fourth proportional to 325,815.10, 488,576.85 and 126,069.10 is: 189,047.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,815.10 : 488,576.85 = 126,069.10 : x
  2. Step 2: Convert to fraction form
    325,815.10/488,576.85 = 126,069.10/x
  3. Step 3: Cross multiply
    325,815.10x = 488,576.85 × 126,069.10
  4. Step 4: Simplify right side
    325,815.10x = 61,594,443,760.34
  5. Step 5: Solve for x
    x = 61,594,443,760.34/325,815.10
  6. Step 6: Final answer
    x = 189,047.23

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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.