Home / 545,731.02-818,684.01-230,234.40

Finding the Fourth Proportional to 545,731.02, 818,684.01 and 230,234.40

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Solution

The fourth proportional to 545,731.02, 818,684.01 and 230,234.40 is: 345,388.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,731.02 : 818,684.01 = 230,234.40 : x
  2. Step 2: Convert to fraction form
    545,731.02/818,684.01 = 230,234.40/x
  3. Step 3: Cross multiply
    545,731.02x = 818,684.01 × 230,234.40
  4. Step 4: Simplify right side
    545,731.02x = 188,489,221,831.94
  5. Step 5: Solve for x
    x = 188,489,221,831.94/545,731.02
  6. Step 6: Final answer
    x = 345,388.51

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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.