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Finding the Fourth Proportional to 511,254.08, 766,886 and 137,277.08

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Solution

The fourth proportional to 511,254.08, 766,886 and 137,277.08 is: 205,916.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,254.08 : 766,886 = 137,277.08 : x
  2. Step 2: Convert to fraction form
    511,254.08/766,886 = 137,277.08/x
  3. Step 3: Cross multiply
    511,254.08x = 766,886 × 137,277.08
  4. Step 4: Simplify right side
    511,254.08x = 105,275,870,772.88
  5. Step 5: Solve for x
    x = 105,275,870,772.88/511,254.08
  6. Step 6: Final answer
    x = 205,916.93

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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.