Home / 305,983.80-458,975.61-95,621.74

Finding the Fourth Proportional to 305,983.80, 458,975.61 and 95,621.74

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Solution

The fourth proportional to 305,983.80, 458,975.61 and 95,621.74 is: 143,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,983.80 : 458,975.61 = 95,621.74 : x
  2. Step 2: Convert to fraction form
    305,983.80/458,975.61 = 95,621.74/x
  3. Step 3: Cross multiply
    305,983.80x = 458,975.61 × 95,621.74
  4. Step 4: Simplify right side
    305,983.80x = 43,888,046,445.76
  5. Step 5: Solve for x
    x = 43,888,046,445.76/305,983.80
  6. Step 6: Final answer
    x = 143,432.58

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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.