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Finding the Fourth Proportional to 538,833.96, 808,016.72 and 154,498.19

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Solution

The fourth proportional to 538,833.96, 808,016.72 and 154,498.19 is: 231,680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,833.96 : 808,016.72 = 154,498.19 : x
  2. Step 2: Convert to fraction form
    538,833.96/808,016.72 = 154,498.19/x
  3. Step 3: Cross multiply
    538,833.96x = 808,016.72 × 154,498.19
  4. Step 4: Simplify right side
    538,833.96x = 124,837,115,917.16
  5. Step 5: Solve for x
    x = 124,837,115,917.16/538,833.96
  6. Step 6: Final answer
    x = 231,680.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.