Home / 280,898.56-421,346.22-93,908.44

Finding the Fourth Proportional to 280,898.56, 421,346.22 and 93,908.44

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Solution

The fourth proportional to 280,898.56, 421,346.22 and 93,908.44 is: 140,862.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,898.56 : 421,346.22 = 93,908.44 : x
  2. Step 2: Convert to fraction form
    280,898.56/421,346.22 = 93,908.44/x
  3. Step 3: Cross multiply
    280,898.56x = 421,346.22 × 93,908.44
  4. Step 4: Simplify right side
    280,898.56x = 39,567,966,220.10
  5. Step 5: Solve for x
    x = 39,567,966,220.10/280,898.56
  6. Step 6: Final answer
    x = 140,862.12

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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.