Home / 448,155.50-672,234.60-115,731.50

Finding the Fourth Proportional to 448,155.50, 672,234.60 and 115,731.50

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Solution

The fourth proportional to 448,155.50, 672,234.60 and 115,731.50 is: 173,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,155.50 : 672,234.60 = 115,731.50 : x
  2. Step 2: Convert to fraction form
    448,155.50/672,234.60 = 115,731.50/x
  3. Step 3: Cross multiply
    448,155.50x = 672,234.60 × 115,731.50
  4. Step 4: Simplify right side
    448,155.50x = 77,798,718,609.90
  5. Step 5: Solve for x
    x = 77,798,718,609.90/448,155.50
  6. Step 6: Final answer
    x = 173,597.60

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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.