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Finding the Fourth Proportional to 383,898.54, 575,882.37 and 103,409.58

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Solution

The fourth proportional to 383,898.54, 575,882.37 and 103,409.58 is: 155,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,898.54 : 575,882.37 = 103,409.58 : x
  2. Step 2: Convert to fraction form
    383,898.54/575,882.37 = 103,409.58/x
  3. Step 3: Cross multiply
    383,898.54x = 575,882.37 × 103,409.58
  4. Step 4: Simplify right side
    383,898.54x = 59,551,754,011.10
  5. Step 5: Solve for x
    x = 59,551,754,011.10/383,898.54
  6. Step 6: Final answer
    x = 155,123.68

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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.