Home / 302,448.20-417,418.26-173,437.16

Finding the Fourth Proportional to 302,448.20, 417,418.26 and 173,437.16

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Solution

The fourth proportional to 302,448.20, 417,418.26 and 173,437.16 is: 239,366.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,448.20 : 417,418.26 = 173,437.16 : x
  2. Step 2: Convert to fraction form
    302,448.20/417,418.26 = 173,437.16/x
  3. Step 3: Cross multiply
    302,448.20x = 417,418.26 × 173,437.16
  4. Step 4: Simplify right side
    302,448.20x = 72,395,837,546.54
  5. Step 5: Solve for x
    x = 72,395,837,546.54/302,448.20
  6. Step 6: Final answer
    x = 239,366.07

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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.