Home / 228,740.28-315,668.61-126,756.27

Finding the Fourth Proportional to 228,740.28, 315,668.61 and 126,756.27

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Solution

The fourth proportional to 228,740.28, 315,668.61 and 126,756.27 is: 174,927.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,740.28 : 315,668.61 = 126,756.27 : x
  2. Step 2: Convert to fraction form
    228,740.28/315,668.61 = 126,756.27/x
  3. Step 3: Cross multiply
    228,740.28x = 315,668.61 × 126,756.27
  4. Step 4: Simplify right side
    228,740.28x = 40,012,975,559.68
  5. Step 5: Solve for x
    x = 40,012,975,559.68/228,740.28
  6. Step 6: Final answer
    x = 174,927.54

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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.