Home / 278,126.07-383,811.26-150,799.47

Finding the Fourth Proportional to 278,126.07, 383,811.26 and 150,799.47

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Solution

The fourth proportional to 278,126.07, 383,811.26 and 150,799.47 is: 208,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,126.07 : 383,811.26 = 150,799.47 : x
  2. Step 2: Convert to fraction form
    278,126.07/383,811.26 = 150,799.47/x
  3. Step 3: Cross multiply
    278,126.07x = 383,811.26 × 150,799.47
  4. Step 4: Simplify right side
    278,126.07x = 57,878,533,834.03
  5. Step 5: Solve for x
    x = 57,878,533,834.03/278,126.07
  6. Step 6: Final answer
    x = 208,101.79

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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.