Home / 245,253.72-338,451.36-143,285.04

Finding the Fourth Proportional to 245,253.72, 338,451.36 and 143,285.04

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Solution

The fourth proportional to 245,253.72, 338,451.36 and 143,285.04 is: 197,734.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,253.72 : 338,451.36 = 143,285.04 : x
  2. Step 2: Convert to fraction form
    245,253.72/338,451.36 = 143,285.04/x
  3. Step 3: Cross multiply
    245,253.72x = 338,451.36 × 143,285.04
  4. Step 4: Simplify right side
    245,253.72x = 48,495,016,655.65
  5. Step 5: Solve for x
    x = 48,495,016,655.65/245,253.72
  6. Step 6: Final answer
    x = 197,734.07

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1.5x scale

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.