Home / 278,734.34-383,950.05-224,868.53

Finding the Fourth Proportional to 278,734.34, 383,950.05 and 224,868.53

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Solution

The fourth proportional to 278,734.34, 383,950.05 and 224,868.53 is: 309,751.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,734.34 : 383,950.05 = 224,868.53 : x
  2. Step 2: Convert to fraction form
    278,734.34/383,950.05 = 224,868.53/x
  3. Step 3: Cross multiply
    278,734.34x = 383,950.05 × 224,868.53
  4. Step 4: Simplify right side
    278,734.34x = 86,338,283,336.93
  5. Step 5: Solve for x
    x = 86,338,283,336.93/278,734.34
  6. Step 6: Final answer
    x = 309,751.15

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Why These Related Problems?

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