Home / 278,165.13-383,867.88-150,840.83

Finding the Fourth Proportional to 278,165.13, 383,867.88 and 150,840.83

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Solution

The fourth proportional to 278,165.13, 383,867.88 and 150,840.83 is: 208,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,165.13 : 383,867.88 = 150,840.83 : x
  2. Step 2: Convert to fraction form
    278,165.13/383,867.88 = 150,840.83/x
  3. Step 3: Cross multiply
    278,165.13x = 383,867.88 × 150,840.83
  4. Step 4: Simplify right side
    278,165.13x = 57,902,949,715.36
  5. Step 5: Solve for x
    x = 57,902,949,715.36/278,165.13
  6. Step 6: Final answer
    x = 208,160.34

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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.