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Finding the Fourth Proportional to 208,303.48, 312,204.66 and 119,613.88

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Solution

The fourth proportional to 208,303.48, 312,204.66 and 119,613.88 is: 179,276.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,303.48 : 312,204.66 = 119,613.88 : x
  2. Step 2: Convert to fraction form
    208,303.48/312,204.66 = 119,613.88/x
  3. Step 3: Cross multiply
    208,303.48x = 312,204.66 × 119,613.88
  4. Step 4: Simplify right side
    208,303.48x = 37,344,010,736.68
  5. Step 5: Solve for x
    x = 37,344,010,736.68/208,303.48
  6. Step 6: Final answer
    x = 179,276.94

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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.