Home / 149,489.40-224,185.34-49,622.78

Finding the Fourth Proportional to 149,489.40, 224,185.34 and 49,622.78

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Solution

The fourth proportional to 149,489.40, 224,185.34 and 49,622.78 is: 74,417.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,489.40 : 224,185.34 = 49,622.78 : x
  2. Step 2: Convert to fraction form
    149,489.40/224,185.34 = 49,622.78/x
  3. Step 3: Cross multiply
    149,489.40x = 224,185.34 × 49,622.78
  4. Step 4: Simplify right side
    149,489.40x = 11,124,699,806.05
  5. Step 5: Solve for x
    x = 11,124,699,806.05/149,489.40
  6. Step 6: Final answer
    x = 74,417.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.