Home / 451,024.02-621,983.88-269,707.14

Finding the Fourth Proportional to 451,024.02, 621,983.88 and 269,707.14

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Solution

The fourth proportional to 451,024.02, 621,983.88 and 269,707.14 is: 371,939.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,024.02 : 621,983.88 = 269,707.14 : x
  2. Step 2: Convert to fraction form
    451,024.02/621,983.88 = 269,707.14/x
  3. Step 3: Cross multiply
    451,024.02x = 621,983.88 × 269,707.14
  4. Step 4: Simplify right side
    451,024.02x = 167,753,493,400.90
  5. Step 5: Solve for x
    x = 167,753,493,400.90/451,024.02
  6. Step 6: Final answer
    x = 371,939.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.