Home / 263,645.70-363,823.29-148,929.72

Finding the Fourth Proportional to 263,645.70, 363,823.29 and 148,929.72

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Solution

The fourth proportional to 263,645.70, 363,823.29 and 148,929.72 is: 205,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,645.70 : 363,823.29 = 148,929.72 : x
  2. Step 2: Convert to fraction form
    263,645.70/363,823.29 = 148,929.72/x
  3. Step 3: Cross multiply
    263,645.70x = 363,823.29 × 148,929.72
  4. Step 4: Simplify right side
    263,645.70x = 54,184,100,709.18
  5. Step 5: Solve for x
    x = 54,184,100,709.18/263,645.70
  6. Step 6: Final answer
    x = 205,518.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.