Home / 278,228.22-383,955.64-150,903.84

Finding the Fourth Proportional to 278,228.22, 383,955.64 and 150,903.84

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Solution

The fourth proportional to 278,228.22, 383,955.64 and 150,903.84 is: 208,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,228.22 : 383,955.64 = 150,903.84 : x
  2. Step 2: Convert to fraction form
    278,228.22/383,955.64 = 150,903.84/x
  3. Step 3: Cross multiply
    278,228.22x = 383,955.64 × 150,903.84
  4. Step 4: Simplify right side
    278,228.22x = 57,940,380,465.66
  5. Step 5: Solve for x
    x = 57,940,380,465.66/278,228.22
  6. Step 6: Final answer
    x = 208,247.68

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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.