Home / 278,450.91-384,262.62-151,126.50

Finding the Fourth Proportional to 278,450.91, 384,262.62 and 151,126.50

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Solution

The fourth proportional to 278,450.91, 384,262.62 and 151,126.50 is: 208,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,450.91 : 384,262.62 = 151,126.50 : x
  2. Step 2: Convert to fraction form
    278,450.91/384,262.62 = 151,126.50/x
  3. Step 3: Cross multiply
    278,450.91x = 384,262.62 × 151,126.50
  4. Step 4: Simplify right side
    278,450.91x = 58,072,264,841.43
  5. Step 5: Solve for x
    x = 58,072,264,841.43/278,450.91
  6. Step 6: Final answer
    x = 208,554.77

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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.