Home / 228,439.24-315,275.52-137,844.10

Finding the Fourth Proportional to 228,439.24, 315,275.52 and 137,844.10

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Solution

The fourth proportional to 228,439.24, 315,275.52 and 137,844.10 is: 190,242.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,439.24 : 315,275.52 = 137,844.10 : x
  2. Step 2: Convert to fraction form
    228,439.24/315,275.52 = 137,844.10/x
  3. Step 3: Cross multiply
    228,439.24x = 315,275.52 × 137,844.10
  4. Step 4: Simplify right side
    228,439.24x = 43,458,870,306.43
  5. Step 5: Solve for x
    x = 43,458,870,306.43/228,439.24
  6. Step 6: Final answer
    x = 190,242.58

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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.