Home / 278,205.40-383,923.90-150,881.10

Finding the Fourth Proportional to 278,205.40, 383,923.90 and 150,881.10

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Solution

The fourth proportional to 278,205.40, 383,923.90 and 150,881.10 is: 208,216.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,205.40 : 383,923.90 = 150,881.10 : x
  2. Step 2: Convert to fraction form
    278,205.40/383,923.90 = 150,881.10/x
  3. Step 3: Cross multiply
    278,205.40x = 383,923.90 × 150,881.10
  4. Step 4: Simplify right side
    278,205.40x = 57,926,860,348.29
  5. Step 5: Solve for x
    x = 57,926,860,348.29/278,205.40
  6. Step 6: Final answer
    x = 208,216.16

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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.