Home / 302,097.75-453,212.64-115,109.25

Finding the Fourth Proportional to 302,097.75, 453,212.64 and 115,109.25

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Solution

The fourth proportional to 302,097.75, 453,212.64 and 115,109.25 is: 172,689.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,097.75 : 453,212.64 = 115,109.25 : x
  2. Step 2: Convert to fraction form
    302,097.75/453,212.64 = 115,109.25/x
  3. Step 3: Cross multiply
    302,097.75x = 453,212.64 × 115,109.25
  4. Step 4: Simplify right side
    302,097.75x = 52,168,967,080.92
  5. Step 5: Solve for x
    x = 52,168,967,080.92/302,097.75
  6. Step 6: Final answer
    x = 172,689.03

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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.