Home / 450,621.46-621,815.08-269,297.29

Finding the Fourth Proportional to 450,621.46, 621,815.08 and 269,297.29

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Solution

The fourth proportional to 450,621.46, 621,815.08 and 269,297.29 is: 371,604.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,621.46 : 621,815.08 = 269,297.29 : x
  2. Step 2: Convert to fraction form
    450,621.46/621,815.08 = 269,297.29/x
  3. Step 3: Cross multiply
    450,621.46x = 621,815.08 × 269,297.29
  4. Step 4: Simplify right side
    450,621.46x = 167,453,115,925.13
  5. Step 5: Solve for x
    x = 167,453,115,925.13/450,621.46
  6. Step 6: Final answer
    x = 371,604.84

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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.