Home / 612,249.10-918,375.48-185,788.36

Finding the Fourth Proportional to 612,249.10, 918,375.48 and 185,788.36

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Solution

The fourth proportional to 612,249.10, 918,375.48 and 185,788.36 is: 278,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,249.10 : 918,375.48 = 185,788.36 : x
  2. Step 2: Convert to fraction form
    612,249.10/918,375.48 = 185,788.36/x
  3. Step 3: Cross multiply
    612,249.10x = 918,375.48 × 185,788.36
  4. Step 4: Simplify right side
    612,249.10x = 170,623,474,293.41
  5. Step 5: Solve for x
    x = 170,623,474,293.41/612,249.10
  6. Step 6: Final answer
    x = 278,683.10

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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.