Home / 278,026.40-383,677.08-150,701.42

Finding the Fourth Proportional to 278,026.40, 383,677.08 and 150,701.42

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Solution

The fourth proportional to 278,026.40, 383,677.08 and 150,701.42 is: 207,968.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,026.40 : 383,677.08 = 150,701.42 : x
  2. Step 2: Convert to fraction form
    278,026.40/383,677.08 = 150,701.42/x
  3. Step 3: Cross multiply
    278,026.40x = 383,677.08 × 150,701.42
  4. Step 4: Simplify right side
    278,026.40x = 57,820,680,777.45
  5. Step 5: Solve for x
    x = 57,820,680,777.45/278,026.40
  6. Step 6: Final answer
    x = 207,968.31

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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.