Home / 229,899.78-344,845.69-103,450.55

Finding the Fourth Proportional to 229,899.78, 344,845.69 and 103,450.55

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Solution

The fourth proportional to 229,899.78, 344,845.69 and 103,450.55 is: 155,174.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,899.78 : 344,845.69 = 103,450.55 : x
  2. Step 2: Convert to fraction form
    229,899.78/344,845.69 = 103,450.55/x
  3. Step 3: Cross multiply
    229,899.78x = 344,845.69 × 103,450.55
  4. Step 4: Simplify right side
    229,899.78x = 35,674,474,312.77
  5. Step 5: Solve for x
    x = 35,674,474,312.77/229,899.78
  6. Step 6: Final answer
    x = 155,174.03

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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.