Home / 278,450.84-384,262.54-151,126.44

Finding the Fourth Proportional to 278,450.84, 384,262.54 and 151,126.44

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Solution

The fourth proportional to 278,450.84, 384,262.54 and 151,126.44 is: 208,554.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,450.84 : 384,262.54 = 151,126.44 : x
  2. Step 2: Convert to fraction form
    278,450.84/384,262.54 = 151,126.44/x
  3. Step 3: Cross multiply
    278,450.84x = 384,262.54 × 151,126.44
  4. Step 4: Simplify right side
    278,450.84x = 58,072,229,695.56
  5. Step 5: Solve for x
    x = 58,072,229,695.56/278,450.84
  6. Step 6: Final answer
    x = 208,554.69

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1.5x scale

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.