Home / 485,068.39-669,350.95-270,203.84

Finding the Fourth Proportional to 485,068.39, 669,350.95 and 270,203.84

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Solution

The fourth proportional to 485,068.39, 669,350.95 and 270,203.84 is: 372,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,068.39 : 669,350.95 = 270,203.84 : x
  2. Step 2: Convert to fraction form
    485,068.39/669,350.95 = 270,203.84/x
  3. Step 3: Cross multiply
    485,068.39x = 669,350.95 × 270,203.84
  4. Step 4: Simplify right side
    485,068.39x = 180,861,196,997.65
  5. Step 5: Solve for x
    x = 180,861,196,997.65/485,068.39
  6. Step 6: Final answer
    x = 372,857.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.