Home / 264,447.20-396,721.08-87,005.36

Finding the Fourth Proportional to 264,447.20, 396,721.08 and 87,005.36

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Solution

The fourth proportional to 264,447.20, 396,721.08 and 87,005.36 is: 130,524.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,447.20 : 396,721.08 = 87,005.36 : x
  2. Step 2: Convert to fraction form
    264,447.20/396,721.08 = 87,005.36/x
  3. Step 3: Cross multiply
    264,447.20x = 396,721.08 × 87,005.36
  4. Step 4: Simplify right side
    264,447.20x = 34,516,860,384.99
  5. Step 5: Solve for x
    x = 34,516,860,384.99/264,447.20
  6. Step 6: Final answer
    x = 130,524.58

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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.