Home / 450,328.24-621,351.30-269,004.77

Finding the Fourth Proportional to 450,328.24, 621,351.30 and 269,004.77

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Solution

The fourth proportional to 450,328.24, 621,351.30 and 269,004.77 is: 371,165.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,328.24 : 621,351.30 = 269,004.77 : x
  2. Step 2: Convert to fraction form
    450,328.24/621,351.30 = 269,004.77/x
  3. Step 3: Cross multiply
    450,328.24x = 621,351.30 × 269,004.77
  4. Step 4: Simplify right side
    450,328.24x = 167,146,463,545.70
  5. Step 5: Solve for x
    x = 167,146,463,545.70/450,328.24
  6. Step 6: Final answer
    x = 371,165.85

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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.