Home / 228,487.68-315,275.40-143,544.24

Finding the Fourth Proportional to 228,487.68, 315,275.40 and 143,544.24

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Solution

The fourth proportional to 228,487.68, 315,275.40 and 143,544.24 is: 198,067.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,487.68 : 315,275.40 = 143,544.24 : x
  2. Step 2: Convert to fraction form
    228,487.68/315,275.40 = 143,544.24/x
  3. Step 3: Cross multiply
    228,487.68x = 315,275.40 × 143,544.24
  4. Step 4: Simplify right side
    228,487.68x = 45,255,967,683.70
  5. Step 5: Solve for x
    x = 45,255,967,683.70/228,487.68
  6. Step 6: Final answer
    x = 198,067.43

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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.