Home / 312,845.93-469,268.88-144,316.39

Finding the Fourth Proportional to 312,845.93, 469,268.88 and 144,316.39

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Solution

The fourth proportional to 312,845.93, 469,268.88 and 144,316.39 is: 216,474.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,845.93 : 469,268.88 = 144,316.39 : x
  2. Step 2: Convert to fraction form
    312,845.93/469,268.88 = 144,316.39/x
  3. Step 3: Cross multiply
    312,845.93x = 469,268.88 × 144,316.39
  4. Step 4: Simplify right side
    312,845.93x = 67,723,192,234.91
  5. Step 5: Solve for x
    x = 67,723,192,234.91/312,845.93
  6. Step 6: Final answer
    x = 216,474.59

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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.