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Finding the Fourth Proportional to 483,494.40, 725,132.28 and 183,868.20

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Solution

The fourth proportional to 483,494.40, 725,132.28 and 183,868.20 is: 275,760.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,494.40 : 725,132.28 = 183,868.20 : x
  2. Step 2: Convert to fraction form
    483,494.40/725,132.28 = 183,868.20/x
  3. Step 3: Cross multiply
    483,494.40x = 725,132.28 × 183,868.20
  4. Step 4: Simplify right side
    483,494.40x = 133,328,767,085.50
  5. Step 5: Solve for x
    x = 133,328,767,085.50/483,494.40
  6. Step 6: Final answer
    x = 275,760.73

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1.5x scale

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.