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Finding the Fourth Proportional to 291,296.90, 437,115.15 and 122,806.90

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Solution

The fourth proportional to 291,296.90, 437,115.15 and 122,806.90 is: 184,281.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,296.90 : 437,115.15 = 122,806.90 : x
  2. Step 2: Convert to fraction form
    291,296.90/437,115.15 = 122,806.90/x
  3. Step 3: Cross multiply
    291,296.90x = 437,115.15 × 122,806.90
  4. Step 4: Simplify right side
    291,296.90x = 53,680,756,514.54
  5. Step 5: Solve for x
    x = 53,680,756,514.54/291,296.90
  6. Step 6: Final answer
    x = 184,281.94

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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.