Home / 278,028.84-383,669.52-150,701.70

Finding the Fourth Proportional to 278,028.84, 383,669.52 and 150,701.70

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Solution

The fourth proportional to 278,028.84, 383,669.52 and 150,701.70 is: 207,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,028.84 : 383,669.52 = 150,701.70 : x
  2. Step 2: Convert to fraction form
    278,028.84/383,669.52 = 150,701.70/x
  3. Step 3: Cross multiply
    278,028.84x = 383,669.52 × 150,701.70
  4. Step 4: Simplify right side
    278,028.84x = 57,819,648,902.18
  5. Step 5: Solve for x
    x = 57,819,648,902.18/278,028.84
  6. Step 6: Final answer
    x = 207,962.77

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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.