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Finding the Fourth Proportional to 290,457.53, 435,315.17 and 234,324.11

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Solution

The fourth proportional to 290,457.53, 435,315.17 and 234,324.11 is: 351,186.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,457.53 : 435,315.17 = 234,324.11 : x
  2. Step 2: Convert to fraction form
    290,457.53/435,315.17 = 234,324.11/x
  3. Step 3: Cross multiply
    290,457.53x = 435,315.17 × 234,324.11
  4. Step 4: Simplify right side
    290,457.53x = 102,004,836,431.55
  5. Step 5: Solve for x
    x = 102,004,836,431.55/290,457.53
  6. Step 6: Final answer
    x = 351,186.76

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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.