Home / 278,213.40-383,934.94-150,889.10

Finding the Fourth Proportional to 278,213.40, 383,934.94 and 150,889.10

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Solution

The fourth proportional to 278,213.40, 383,934.94 and 150,889.10 is: 208,227.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,213.40 : 383,934.94 = 150,889.10 : x
  2. Step 2: Convert to fraction form
    278,213.40/383,934.94 = 150,889.10/x
  3. Step 3: Cross multiply
    278,213.40x = 383,934.94 × 150,889.10
  4. Step 4: Simplify right side
    278,213.40x = 57,931,595,258.26
  5. Step 5: Solve for x
    x = 57,931,595,258.26/278,213.40
  6. Step 6: Final answer
    x = 208,227.19

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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.