Home / 295,938.90-443,033.55-278,637.30

Finding the Fourth Proportional to 295,938.90, 443,033.55 and 278,637.30

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Solution

The fourth proportional to 295,938.90, 443,033.55 and 278,637.30 is: 417,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,938.90 : 443,033.55 = 278,637.30 : x
  2. Step 2: Convert to fraction form
    295,938.90/443,033.55 = 278,637.30/x
  3. Step 3: Cross multiply
    295,938.90x = 443,033.55 × 278,637.30
  4. Step 4: Simplify right side
    295,938.90x = 123,445,672,181.42
  5. Step 5: Solve for x
    x = 123,445,672,181.42/295,938.90
  6. Step 6: Final answer
    x = 417,132.29

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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.