Home / 285,944.32-428,617.21-96,339.18

Finding the Fourth Proportional to 285,944.32, 428,617.21 and 96,339.18

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Solution

The fourth proportional to 285,944.32, 428,617.21 and 96,339.18 is: 144,407.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,944.32 : 428,617.21 = 96,339.18 : x
  2. Step 2: Convert to fraction form
    285,944.32/428,617.21 = 96,339.18/x
  3. Step 3: Cross multiply
    285,944.32x = 428,617.21 × 96,339.18
  4. Step 4: Simplify right side
    285,944.32x = 41,292,631,911.75
  5. Step 5: Solve for x
    x = 41,292,631,911.75/285,944.32
  6. Step 6: Final answer
    x = 144,407.95

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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.