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Finding the Fourth Proportional to 304,418.22, 456,630.46 and 135,947.12

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Solution

The fourth proportional to 304,418.22, 456,630.46 and 135,947.12 is: 203,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,418.22 : 456,630.46 = 135,947.12 : x
  2. Step 2: Convert to fraction form
    304,418.22/456,630.46 = 135,947.12/x
  3. Step 3: Cross multiply
    304,418.22x = 456,630.46 × 135,947.12
  4. Step 4: Simplify right side
    304,418.22x = 62,077,595,941.28
  5. Step 5: Solve for x
    x = 62,077,595,941.28/304,418.22
  6. Step 6: Final answer
    x = 203,922.08

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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.