Home / 272,316.87-408,519.18-114,590.43

Finding the Fourth Proportional to 272,316.87, 408,519.18 and 114,590.43

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Solution

The fourth proportional to 272,316.87, 408,519.18 and 114,590.43 is: 171,904.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,316.87 : 408,519.18 = 114,590.43 : x
  2. Step 2: Convert to fraction form
    272,316.87/408,519.18 = 114,590.43/x
  3. Step 3: Cross multiply
    272,316.87x = 408,519.18 × 114,590.43
  4. Step 4: Simplify right side
    272,316.87x = 46,812,388,499.45
  5. Step 5: Solve for x
    x = 46,812,388,499.45/272,316.87
  6. Step 6: Final answer
    x = 171,904.11

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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.