Home / 328,780.06-493,166.66-104,140.42

Finding the Fourth Proportional to 328,780.06, 493,166.66 and 104,140.42

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Solution

The fourth proportional to 328,780.06, 493,166.66 and 104,140.42 is: 156,209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,780.06 : 493,166.66 = 104,140.42 : x
  2. Step 2: Convert to fraction form
    328,780.06/493,166.66 = 104,140.42/x
  3. Step 3: Cross multiply
    328,780.06x = 493,166.66 × 104,140.42
  4. Step 4: Simplify right side
    328,780.06x = 51,358,583,102.40
  5. Step 5: Solve for x
    x = 51,358,583,102.40/328,780.06
  6. Step 6: Final answer
    x = 156,209.54

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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.