Home / 450,465.91-621,581.58-269,139.44

Finding the Fourth Proportional to 450,465.91, 621,581.58 and 269,139.44

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Solution

The fourth proportional to 450,465.91, 621,581.58 and 269,139.44 is: 371,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,465.91 : 621,581.58 = 269,139.44 : x
  2. Step 2: Convert to fraction form
    450,465.91/621,581.58 = 269,139.44/x
  3. Step 3: Cross multiply
    450,465.91x = 621,581.58 × 269,139.44
  4. Step 4: Simplify right side
    450,465.91x = 167,292,119,909.47
  5. Step 5: Solve for x
    x = 167,292,119,909.47/450,465.91
  6. Step 6: Final answer
    x = 371,375.76

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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.