Home / 288,815.01-433,296.62-120,279.32

Finding the Fourth Proportional to 288,815.01, 433,296.62 and 120,279.32

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Solution

The fourth proportional to 288,815.01, 433,296.62 and 120,279.32 is: 180,449.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,815.01 : 433,296.62 = 120,279.32 : x
  2. Step 2: Convert to fraction form
    288,815.01/433,296.62 = 120,279.32/x
  3. Step 3: Cross multiply
    288,815.01x = 433,296.62 × 120,279.32
  4. Step 4: Simplify right side
    288,815.01x = 52,116,622,811.90
  5. Step 5: Solve for x
    x = 52,116,622,811.90/288,815.01
  6. Step 6: Final answer
    x = 180,449.84

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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.