Home / 549,101.70-823,787.55-189,278.10

Finding the Fourth Proportional to 549,101.70, 823,787.55 and 189,278.10

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Solution

The fourth proportional to 549,101.70, 823,787.55 and 189,278.10 is: 283,963.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,101.70 : 823,787.55 = 189,278.10 : x
  2. Step 2: Convert to fraction form
    549,101.70/823,787.55 = 189,278.10/x
  3. Step 3: Cross multiply
    549,101.70x = 823,787.55 × 189,278.10
  4. Step 4: Simplify right side
    549,101.70x = 155,924,942,267.66
  5. Step 5: Solve for x
    x = 155,924,942,267.66/549,101.70
  6. Step 6: Final answer
    x = 283,963.69

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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.