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Finding the Fourth Proportional to 272,301.60, 408,525.30 and 242,922.90

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Solution

The fourth proportional to 272,301.60, 408,525.30 and 242,922.90 is: 364,449.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,301.60 : 408,525.30 = 242,922.90 : x
  2. Step 2: Convert to fraction form
    272,301.60/408,525.30 = 242,922.90/x
  3. Step 3: Cross multiply
    272,301.60x = 408,525.30 × 242,922.90
  4. Step 4: Simplify right side
    272,301.60x = 99,240,150,599.37
  5. Step 5: Solve for x
    x = 99,240,150,599.37/272,301.60
  6. Step 6: Final answer
    x = 364,449.38

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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.