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Finding the Fourth Proportional to 400,182.76, 552,255.06 and 218,898.28

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Solution

The fourth proportional to 400,182.76, 552,255.06 and 218,898.28 is: 302,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,182.76 : 552,255.06 = 218,898.28 : x
  2. Step 2: Convert to fraction form
    400,182.76/552,255.06 = 218,898.28/x
  3. Step 3: Cross multiply
    400,182.76x = 552,255.06 × 218,898.28
  4. Step 4: Simplify right side
    400,182.76x = 120,887,682,755.30
  5. Step 5: Solve for x
    x = 120,887,682,755.30/400,182.76
  6. Step 6: Final answer
    x = 302,081.19

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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.