Home / 218,386.38-301,372.23-122,894.67

Finding the Fourth Proportional to 218,386.38, 301,372.23 and 122,894.67

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Solution

The fourth proportional to 218,386.38, 301,372.23 and 122,894.67 is: 169,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,386.38 : 301,372.23 = 122,894.67 : x
  2. Step 2: Convert to fraction form
    218,386.38/301,372.23 = 122,894.67/x
  3. Step 3: Cross multiply
    218,386.38x = 301,372.23 × 122,894.67
  4. Step 4: Simplify right side
    218,386.38x = 37,037,040,753.01
  5. Step 5: Solve for x
    x = 37,037,040,753.01/218,386.38
  6. Step 6: Final answer
    x = 169,594.10

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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.