Home / 234,271.53-351,428.90-76,500.81

Finding the Fourth Proportional to 234,271.53, 351,428.90 and 76,500.81

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Solution

The fourth proportional to 234,271.53, 351,428.90 and 76,500.81 is: 114,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,271.53 : 351,428.90 = 76,500.81 : x
  2. Step 2: Convert to fraction form
    234,271.53/351,428.90 = 76,500.81/x
  3. Step 3: Cross multiply
    234,271.53x = 351,428.90 × 76,500.81
  4. Step 4: Simplify right side
    234,271.53x = 26,884,595,124.91
  5. Step 5: Solve for x
    x = 26,884,595,124.91/234,271.53
  6. Step 6: Final answer
    x = 114,758.27

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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.