Home / 400,326.04-552,445.20-219,035.86

Finding the Fourth Proportional to 400,326.04, 552,445.20 and 219,035.86

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Solution

The fourth proportional to 400,326.04, 552,445.20 and 219,035.86 is: 302,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,326.04 : 552,445.20 = 219,035.86 : x
  2. Step 2: Convert to fraction form
    400,326.04/552,445.20 = 219,035.86/x
  3. Step 3: Cross multiply
    400,326.04x = 552,445.20 × 219,035.86
  4. Step 4: Simplify right side
    400,326.04x = 121,005,309,484.87
  5. Step 5: Solve for x
    x = 121,005,309,484.87/400,326.04
  6. Step 6: Final answer
    x = 302,266.90

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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.