Home / 226,298.09-312,290.07-124,321.36

Finding the Fourth Proportional to 226,298.09, 312,290.07 and 124,321.36

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Solution

The fourth proportional to 226,298.09, 312,290.07 and 124,321.36 is: 171,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,298.09 : 312,290.07 = 124,321.36 : x
  2. Step 2: Convert to fraction form
    226,298.09/312,290.07 = 124,321.36/x
  3. Step 3: Cross multiply
    226,298.09x = 312,290.07 × 124,321.36
  4. Step 4: Simplify right side
    226,298.09x = 38,824,326,216.90
  5. Step 5: Solve for x
    x = 38,824,326,216.90/226,298.09
  6. Step 6: Final answer
    x = 171,562.77

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1.5x scale

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.