Home / 278,733.34-383,948.67-224,867.53

Finding the Fourth Proportional to 278,733.34, 383,948.67 and 224,867.53

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Solution

The fourth proportional to 278,733.34, 383,948.67 and 224,867.53 is: 309,749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,733.34 : 383,948.67 = 224,867.53 : x
  2. Step 2: Convert to fraction form
    278,733.34/383,948.67 = 224,867.53/x
  3. Step 3: Cross multiply
    278,733.34x = 383,948.67 × 224,867.53
  4. Step 4: Simplify right side
    278,733.34x = 86,337,589,069.69
  5. Step 5: Solve for x
    x = 86,337,589,069.69/278,733.34
  6. Step 6: Final answer
    x = 309,749.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.