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Finding the Fourth Proportional to 599,385.76, 899,210.08 and 225,408.80

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Solution

The fourth proportional to 599,385.76, 899,210.08 and 225,408.80 is: 338,162.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,385.76 : 899,210.08 = 225,408.80 : x
  2. Step 2: Convert to fraction form
    599,385.76/899,210.08 = 225,408.80/x
  3. Step 3: Cross multiply
    599,385.76x = 899,210.08 × 225,408.80
  4. Step 4: Simplify right side
    599,385.76x = 202,689,865,080.70
  5. Step 5: Solve for x
    x = 202,689,865,080.70/599,385.76
  6. Step 6: Final answer
    x = 338,162.63

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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.