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Finding the Fourth Proportional to 294,071.60, 441,337.80 and 136,319.60

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Solution

The fourth proportional to 294,071.60, 441,337.80 and 136,319.60 is: 204,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,071.60 : 441,337.80 = 136,319.60 : x
  2. Step 2: Convert to fraction form
    294,071.60/441,337.80 = 136,319.60/x
  3. Step 3: Cross multiply
    294,071.60x = 441,337.80 × 136,319.60
  4. Step 4: Simplify right side
    294,071.60x = 60,162,992,360.88
  5. Step 5: Solve for x
    x = 60,162,992,360.88/294,071.60
  6. Step 6: Final answer
    x = 204,586.20

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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.