Home / 485,471.10-669,936.16-270,606.54

Finding the Fourth Proportional to 485,471.10, 669,936.16 and 270,606.54

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Solution

The fourth proportional to 485,471.10, 669,936.16 and 270,606.54 is: 373,429.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,471.10 : 669,936.16 = 270,606.54 : x
  2. Step 2: Convert to fraction form
    485,471.10/669,936.16 = 270,606.54/x
  3. Step 3: Cross multiply
    485,471.10x = 669,936.16 × 270,606.54
  4. Step 4: Simplify right side
    485,471.10x = 181,289,106,278.49
  5. Step 5: Solve for x
    x = 181,289,106,278.49/485,471.10
  6. Step 6: Final answer
    x = 373,429.24

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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.