Home / 347,825.80-521,738.70-170,241.40

Finding the Fourth Proportional to 347,825.80, 521,738.70 and 170,241.40

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Solution

The fourth proportional to 347,825.80, 521,738.70 and 170,241.40 is: 255,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,825.80 : 521,738.70 = 170,241.40 : x
  2. Step 2: Convert to fraction form
    347,825.80/521,738.70 = 170,241.40/x
  3. Step 3: Cross multiply
    347,825.80x = 521,738.70 × 170,241.40
  4. Step 4: Simplify right side
    347,825.80x = 88,821,526,722.18
  5. Step 5: Solve for x
    x = 88,821,526,722.18/347,825.80
  6. Step 6: Final answer
    x = 255,362.10

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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.