Home / 278,127.50-383,815.96-150,803.06

Finding the Fourth Proportional to 278,127.50, 383,815.96 and 150,803.06

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Solution

The fourth proportional to 278,127.50, 383,815.96 and 150,803.06 is: 208,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,127.50 : 383,815.96 = 150,803.06 : x
  2. Step 2: Convert to fraction form
    278,127.50/383,815.96 = 150,803.06/x
  3. Step 3: Cross multiply
    278,127.50x = 383,815.96 × 150,803.06
  4. Step 4: Simplify right side
    278,127.50x = 57,880,621,244.84
  5. Step 5: Solve for x
    x = 57,880,621,244.84/278,127.50
  6. Step 6: Final answer
    x = 208,108.23

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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.