Home / 627,189.96-940,488.66-243,118.74

Finding the Fourth Proportional to 627,189.96, 940,488.66 and 243,118.74

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Solution

The fourth proportional to 627,189.96, 940,488.66 and 243,118.74 is: 364,563.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,189.96 : 940,488.66 = 243,118.74 : x
  2. Step 2: Convert to fraction form
    627,189.96/940,488.66 = 243,118.74/x
  3. Step 3: Cross multiply
    627,189.96x = 940,488.66 × 243,118.74
  4. Step 4: Simplify right side
    627,189.96x = 228,650,418,003.49
  5. Step 5: Solve for x
    x = 228,650,418,003.49/627,189.96
  6. Step 6: Final answer
    x = 364,563.26

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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.