Home / 450,495.12-621,621.91-269,168.73

Finding the Fourth Proportional to 450,495.12, 621,621.91 and 269,168.73

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Solution

The fourth proportional to 450,495.12, 621,621.91 and 269,168.73 is: 371,416.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,495.12 : 621,621.91 = 269,168.73 : x
  2. Step 2: Convert to fraction form
    450,495.12/621,621.91 = 269,168.73/x
  3. Step 3: Cross multiply
    450,495.12x = 621,621.91 × 269,168.73
  4. Step 4: Simplify right side
    450,495.12x = 167,321,178,060.25
  5. Step 5: Solve for x
    x = 167,321,178,060.25/450,495.12
  6. Step 6: Final answer
    x = 371,416.18

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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.