Home / 278,292.18-384,043.94-150,967.77

Finding the Fourth Proportional to 278,292.18, 384,043.94 and 150,967.77

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Solution

The fourth proportional to 278,292.18, 384,043.94 and 150,967.77 is: 208,335.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,292.18 : 384,043.94 = 150,967.77 : x
  2. Step 2: Convert to fraction form
    278,292.18/384,043.94 = 150,967.77/x
  3. Step 3: Cross multiply
    278,292.18x = 384,043.94 × 150,967.77
  4. Step 4: Simplify right side
    278,292.18x = 57,978,257,203.81
  5. Step 5: Solve for x
    x = 57,978,257,203.81/278,292.18
  6. Step 6: Final answer
    x = 208,335.92

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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.