Home / 485,076.64-669,362.34-270,212.10

Finding the Fourth Proportional to 485,076.64, 669,362.34 and 270,212.10

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Solution

The fourth proportional to 485,076.64, 669,362.34 and 270,212.10 is: 372,868.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,076.64 : 669,362.34 = 270,212.10 : x
  2. Step 2: Convert to fraction form
    485,076.64/669,362.34 = 270,212.10/x
  3. Step 3: Cross multiply
    485,076.64x = 669,362.34 × 270,212.10
  4. Step 4: Simplify right side
    485,076.64x = 180,869,803,552.31
  5. Step 5: Solve for x
    x = 180,869,803,552.31/485,076.64
  6. Step 6: Final answer
    x = 372,868.51

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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.