Home / 230,218.98-317,660.04-128,241.92

Finding the Fourth Proportional to 230,218.98, 317,660.04 and 128,241.92

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Solution

The fourth proportional to 230,218.98, 317,660.04 and 128,241.92 is: 176,950.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,218.98 : 317,660.04 = 128,241.92 : x
  2. Step 2: Convert to fraction form
    230,218.98/317,660.04 = 128,241.92/x
  3. Step 3: Cross multiply
    230,218.98x = 317,660.04 × 128,241.92
  4. Step 4: Simplify right side
    230,218.98x = 40,737,331,848.58
  5. Step 5: Solve for x
    x = 40,737,331,848.58/230,218.98
  6. Step 6: Final answer
    x = 176,950.36

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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.