Home / 400,320.04-552,436.92-219,029.86

Finding the Fourth Proportional to 400,320.04, 552,436.92 and 219,029.86

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Solution

The fourth proportional to 400,320.04, 552,436.92 and 219,029.86 is: 302,258.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,320.04 : 552,436.92 = 219,029.86 : x
  2. Step 2: Convert to fraction form
    400,320.04/552,436.92 = 219,029.86/x
  3. Step 3: Cross multiply
    400,320.04x = 552,436.92 × 219,029.86
  4. Step 4: Simplify right side
    400,320.04x = 121,000,181,246.43
  5. Step 5: Solve for x
    x = 121,000,181,246.43/400,320.04
  6. Step 6: Final answer
    x = 302,258.62

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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.