Home / 326,501.38-489,941.15-136,944.86

Finding the Fourth Proportional to 326,501.38, 489,941.15 and 136,944.86

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Solution

The fourth proportional to 326,501.38, 489,941.15 and 136,944.86 is: 205,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,501.38 : 489,941.15 = 136,944.86 : x
  2. Step 2: Convert to fraction form
    326,501.38/489,941.15 = 136,944.86/x
  3. Step 3: Cross multiply
    326,501.38x = 489,941.15 × 136,944.86
  4. Step 4: Simplify right side
    326,501.38x = 67,094,922,735.12
  5. Step 5: Solve for x
    x = 67,094,922,735.12/326,501.38
  6. Step 6: Final answer
    x = 205,496.60

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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.