Home / 215,304.40-322,166.71-179,677.77

Finding the Fourth Proportional to 215,304.40, 322,166.71 and 179,677.77

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Solution

The fourth proportional to 215,304.40, 322,166.71 and 179,677.77 is: 268,857.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,304.40 : 322,166.71 = 179,677.77 : x
  2. Step 2: Convert to fraction form
    215,304.40/322,166.71 = 179,677.77/x
  3. Step 3: Cross multiply
    215,304.40x = 322,166.71 × 179,677.77
  4. Step 4: Simplify right side
    215,304.40x = 57,886,196,021.04
  5. Step 5: Solve for x
    x = 57,886,196,021.04/215,304.40
  6. Step 6: Final answer
    x = 268,857.47

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1.5x scale

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.