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Finding the Fourth Proportional to 511,010.08, 766,607.52 and 211,327.96

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Solution

The fourth proportional to 511,010.08, 766,607.52 and 211,327.96 is: 317,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,010.08 : 766,607.52 = 211,327.96 : x
  2. Step 2: Convert to fraction form
    511,010.08/766,607.52 = 211,327.96/x
  3. Step 3: Cross multiply
    511,010.08x = 766,607.52 × 211,327.96
  4. Step 4: Simplify right side
    511,010.08x = 162,005,603,322.26
  5. Step 5: Solve for x
    x = 162,005,603,322.26/511,010.08
  6. Step 6: Final answer
    x = 317,030.15

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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.