Home / 217,049.40-299,453.19-136,483.05

Finding the Fourth Proportional to 217,049.40, 299,453.19 and 136,483.05

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Solution

The fourth proportional to 217,049.40, 299,453.19 and 136,483.05 is: 188,299.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,049.40 : 299,453.19 = 136,483.05 : x
  2. Step 2: Convert to fraction form
    217,049.40/299,453.19 = 136,483.05/x
  3. Step 3: Cross multiply
    217,049.40x = 299,453.19 × 136,483.05
  4. Step 4: Simplify right side
    217,049.40x = 40,870,284,703.43
  5. Step 5: Solve for x
    x = 40,870,284,703.43/217,049.40
  6. Step 6: Final answer
    x = 188,299.46

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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.