Home / 231,500.70-347,389.11-103,406.94

Finding the Fourth Proportional to 231,500.70, 347,389.11 and 103,406.94

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Solution

The fourth proportional to 231,500.70, 347,389.11 and 103,406.94 is: 155,172.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,500.70 : 347,389.11 = 103,406.94 : x
  2. Step 2: Convert to fraction form
    231,500.70/347,389.11 = 103,406.94/x
  3. Step 3: Cross multiply
    231,500.70x = 347,389.11 × 103,406.94
  4. Step 4: Simplify right side
    231,500.70x = 35,922,444,854.42
  5. Step 5: Solve for x
    x = 35,922,444,854.42/231,500.70
  6. Step 6: Final answer
    x = 155,172.08

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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.