Home / 400,976.22-601,465.57-101,456.74

Finding the Fourth Proportional to 400,976.22, 601,465.57 and 101,456.74

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Solution

The fourth proportional to 400,976.22, 601,465.57 and 101,456.74 is: 152,185.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,976.22 : 601,465.57 = 101,456.74 : x
  2. Step 2: Convert to fraction form
    400,976.22/601,465.57 = 101,456.74/x
  3. Step 3: Cross multiply
    400,976.22x = 601,465.57 × 101,456.74
  4. Step 4: Simplify right side
    400,976.22x = 61,022,733,943.49
  5. Step 5: Solve for x
    x = 61,022,733,943.49/400,976.22
  6. Step 6: Final answer
    x = 152,185.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.