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Finding the Fourth Proportional to 278,006.88, 383,650.88 and 150,681.36

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Solution

The fourth proportional to 278,006.88, 383,650.88 and 150,681.36 is: 207,941.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,006.88 : 383,650.88 = 150,681.36 : x
  2. Step 2: Convert to fraction form
    278,006.88/383,650.88 = 150,681.36/x
  3. Step 3: Cross multiply
    278,006.88x = 383,650.88 × 150,681.36
  4. Step 4: Simplify right side
    278,006.88x = 57,809,036,363.60
  5. Step 5: Solve for x
    x = 57,809,036,363.60/278,006.88
  6. Step 6: Final answer
    x = 207,941.03

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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.