Home / 221,748.60-332,558.10-79,577.40

Finding the Fourth Proportional to 221,748.60, 332,558.10 and 79,577.40

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Solution

The fourth proportional to 221,748.60, 332,558.10 and 79,577.40 is: 119,342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,748.60 : 332,558.10 = 79,577.40 : x
  2. Step 2: Convert to fraction form
    221,748.60/332,558.10 = 79,577.40/x
  3. Step 3: Cross multiply
    221,748.60x = 332,558.10 × 79,577.40
  4. Step 4: Simplify right side
    221,748.60x = 26,464,108,946.94
  5. Step 5: Solve for x
    x = 26,464,108,946.94/221,748.60
  6. Step 6: Final answer
    x = 119,342.85

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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.