Home / 347,734.40-521,601.60-170,355.20

Finding the Fourth Proportional to 347,734.40, 521,601.60 and 170,355.20

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Solution

The fourth proportional to 347,734.40, 521,601.60 and 170,355.20 is: 255,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,734.40 : 521,601.60 = 170,355.20 : x
  2. Step 2: Convert to fraction form
    347,734.40/521,601.60 = 170,355.20/x
  3. Step 3: Cross multiply
    347,734.40x = 521,601.60 × 170,355.20
  4. Step 4: Simplify right side
    347,734.40x = 88,857,544,888.32
  5. Step 5: Solve for x
    x = 88,857,544,888.32/347,734.40
  6. Step 6: Final answer
    x = 255,532.80

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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.