Home / 328,835.53-493,270.31-104,219.83

Finding the Fourth Proportional to 328,835.53, 493,270.31 and 104,219.83

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Solution

The fourth proportional to 328,835.53, 493,270.31 and 104,219.83 is: 156,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,835.53 : 493,270.31 = 104,219.83 : x
  2. Step 2: Convert to fraction form
    328,835.53/493,270.31 = 104,219.83/x
  3. Step 3: Cross multiply
    328,835.53x = 493,270.31 × 104,219.83
  4. Step 4: Simplify right side
    328,835.53x = 51,408,547,331.15
  5. Step 5: Solve for x
    x = 51,408,547,331.15/328,835.53
  6. Step 6: Final answer
    x = 156,335.14

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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.