Home / 228,933.72-315,928.58-126,974.79

Finding the Fourth Proportional to 228,933.72, 315,928.58 and 126,974.79

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Solution

The fourth proportional to 228,933.72, 315,928.58 and 126,974.79 is: 175,225.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,933.72 : 315,928.58 = 126,974.79 : x
  2. Step 2: Convert to fraction form
    228,933.72/315,928.58 = 126,974.79/x
  3. Step 3: Cross multiply
    228,933.72x = 315,928.58 × 126,974.79
  4. Step 4: Simplify right side
    228,933.72x = 40,114,964,465.62
  5. Step 5: Solve for x
    x = 40,114,964,465.62/228,933.72
  6. Step 6: Final answer
    x = 175,225.23

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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.