Home / 218,399.28-301,366.26-122,903.52

Finding the Fourth Proportional to 218,399.28, 301,366.26 and 122,903.52

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Solution

The fourth proportional to 218,399.28, 301,366.26 and 122,903.52 is: 169,592.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,399.28 : 301,366.26 = 122,903.52 : x
  2. Step 2: Convert to fraction form
    218,399.28/301,366.26 = 122,903.52/x
  3. Step 3: Cross multiply
    218,399.28x = 301,366.26 × 122,903.52
  4. Step 4: Simplify right side
    218,399.28x = 37,038,974,163.24
  5. Step 5: Solve for x
    x = 37,038,974,163.24/218,399.28
  6. Step 6: Final answer
    x = 169,592.93

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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.