Home / 345,938.78-477,396.15-195,035.42

Finding the Fourth Proportional to 345,938.78, 477,396.15 and 195,035.42

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Solution

The fourth proportional to 345,938.78, 477,396.15 and 195,035.42 is: 269,149.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,938.78 : 477,396.15 = 195,035.42 : x
  2. Step 2: Convert to fraction form
    345,938.78/477,396.15 = 195,035.42/x
  3. Step 3: Cross multiply
    345,938.78x = 477,396.15 × 195,035.42
  4. Step 4: Simplify right side
    345,938.78x = 93,109,158,621.63
  5. Step 5: Solve for x
    x = 93,109,158,621.63/345,938.78
  6. Step 6: Final answer
    x = 269,149.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.