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Finding the Fourth Proportional to 400,498.16, 552,810.48 and 230,845.20

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Solution

The fourth proportional to 400,498.16, 552,810.48 and 230,845.20 is: 318,637.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,498.16 : 552,810.48 = 230,845.20 : x
  2. Step 2: Convert to fraction form
    400,498.16/552,810.48 = 230,845.20/x
  3. Step 3: Cross multiply
    400,498.16x = 552,810.48 × 230,845.20
  4. Step 4: Simplify right side
    400,498.16x = 127,613,645,817.70
  5. Step 5: Solve for x
    x = 127,613,645,817.70/400,498.16
  6. Step 6: Final answer
    x = 318,637.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.