Home / 302,097.25-453,211.89-115,108.75

Finding the Fourth Proportional to 302,097.25, 453,211.89 and 115,108.75

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Solution

The fourth proportional to 302,097.25, 453,211.89 and 115,108.75 is: 172,688.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,097.25 : 453,211.89 = 115,108.75 : x
  2. Step 2: Convert to fraction form
    302,097.25/453,211.89 = 115,108.75/x
  3. Step 3: Cross multiply
    302,097.25x = 453,211.89 × 115,108.75
  4. Step 4: Simplify right side
    302,097.25x = 52,168,654,143.04
  5. Step 5: Solve for x
    x = 52,168,654,143.04/302,097.25
  6. Step 6: Final answer
    x = 172,688.28

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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.