Home / 345,911.20-477,302.56-194,979.04

Finding the Fourth Proportional to 345,911.20, 477,302.56 and 194,979.04

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Solution

The fourth proportional to 345,911.20, 477,302.56 and 194,979.04 is: 269,040.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,911.20 : 477,302.56 = 194,979.04 : x
  2. Step 2: Convert to fraction form
    345,911.20/477,302.56 = 194,979.04/x
  3. Step 3: Cross multiply
    345,911.20x = 477,302.56 × 194,979.04
  4. Step 4: Simplify right side
    345,911.20x = 93,063,994,938.34
  5. Step 5: Solve for x
    x = 93,063,994,938.34/345,911.20
  6. Step 6: Final answer
    x = 269,040.13

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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.