Home / 486,131.30-729,269.88-170,532.62

Finding the Fourth Proportional to 486,131.30, 729,269.88 and 170,532.62

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Solution

The fourth proportional to 486,131.30, 729,269.88 and 170,532.62 is: 255,824.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,131.30 : 729,269.88 = 170,532.62 : x
  2. Step 2: Convert to fraction form
    486,131.30/729,269.88 = 170,532.62/x
  3. Step 3: Cross multiply
    486,131.30x = 729,269.88 × 170,532.62
  4. Step 4: Simplify right side
    486,131.30x = 124,364,303,323.49
  5. Step 5: Solve for x
    x = 124,364,303,323.49/486,131.30
  6. Step 6: Final answer
    x = 255,824.51

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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.