Home / 480,234.02-720,391.93-143,252.96

Finding the Fourth Proportional to 480,234.02, 720,391.93 and 143,252.96

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Solution

The fourth proportional to 480,234.02, 720,391.93 and 143,252.96 is: 214,891.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,234.02 : 720,391.93 = 143,252.96 : x
  2. Step 2: Convert to fraction form
    480,234.02/720,391.93 = 143,252.96/x
  3. Step 3: Cross multiply
    480,234.02x = 720,391.93 × 143,252.96
  4. Step 4: Simplify right side
    480,234.02x = 103,198,272,372.52
  5. Step 5: Solve for x
    x = 103,198,272,372.52/480,234.02
  6. Step 6: Final answer
    x = 214,891.63

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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.