Home / 324,972.64-487,280.28-100,271.80

Finding the Fourth Proportional to 324,972.64, 487,280.28 and 100,271.80

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Solution

The fourth proportional to 324,972.64, 487,280.28 and 100,271.80 is: 150,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,972.64 : 487,280.28 = 100,271.80 : x
  2. Step 2: Convert to fraction form
    324,972.64/487,280.28 = 100,271.80/x
  3. Step 3: Cross multiply
    324,972.64x = 487,280.28 × 100,271.80
  4. Step 4: Simplify right side
    324,972.64x = 48,860,470,780.10
  5. Step 5: Solve for x
    x = 48,860,470,780.10/324,972.64
  6. Step 6: Final answer
    x = 150,352.57

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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.