Home / 305,338.12-458,048.82-105,604.96

Finding the Fourth Proportional to 305,338.12, 458,048.82 and 105,604.96

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Solution

The fourth proportional to 305,338.12, 458,048.82 and 105,604.96 is: 158,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,338.12 : 458,048.82 = 105,604.96 : x
  2. Step 2: Convert to fraction form
    305,338.12/458,048.82 = 105,604.96/x
  3. Step 3: Cross multiply
    305,338.12x = 458,048.82 × 105,604.96
  4. Step 4: Simplify right side
    305,338.12x = 48,372,227,314.15
  5. Step 5: Solve for x
    x = 48,372,227,314.15/305,338.12
  6. Step 6: Final answer
    x = 158,421.84

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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.