Home / 305,667.18-458,498.88-166,311.54

Finding the Fourth Proportional to 305,667.18, 458,498.88 and 166,311.54

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Solution

The fourth proportional to 305,667.18, 458,498.88 and 166,311.54 is: 249,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,667.18 : 458,498.88 = 166,311.54 : x
  2. Step 2: Convert to fraction form
    305,667.18/458,498.88 = 166,311.54/x
  3. Step 3: Cross multiply
    305,667.18x = 458,498.88 × 166,311.54
  4. Step 4: Simplify right side
    305,667.18x = 76,253,654,821.08
  5. Step 5: Solve for x
    x = 76,253,654,821.08/305,667.18
  6. Step 6: Final answer
    x = 249,466.28

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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.