Home / 228,400.05-315,119.60-132,888.29

Finding the Fourth Proportional to 228,400.05, 315,119.60 and 132,888.29

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Solution

The fourth proportional to 228,400.05, 315,119.60 and 132,888.29 is: 183,343.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,400.05 : 315,119.60 = 132,888.29 : x
  2. Step 2: Convert to fraction form
    228,400.05/315,119.60 = 132,888.29/x
  3. Step 3: Cross multiply
    228,400.05x = 315,119.60 × 132,888.29
  4. Step 4: Simplify right side
    228,400.05x = 41,875,704,976.97
  5. Step 5: Solve for x
    x = 41,875,704,976.97/228,400.05
  6. Step 6: Final answer
    x = 183,343.68

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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.