Home / 278,050.84-383,709.90-150,725.32

Finding the Fourth Proportional to 278,050.84, 383,709.90 and 150,725.32

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Solution

The fourth proportional to 278,050.84, 383,709.90 and 150,725.32 is: 208,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,050.84 : 383,709.90 = 150,725.32 : x
  2. Step 2: Convert to fraction form
    278,050.84/383,709.90 = 150,725.32/x
  3. Step 3: Cross multiply
    278,050.84x = 383,709.90 × 150,725.32
  4. Step 4: Simplify right side
    278,050.84x = 57,834,797,464.67
  5. Step 5: Solve for x
    x = 57,834,797,464.67/278,050.84
  6. Step 6: Final answer
    x = 208,000.80

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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.