Home / 278,032.76-383,685.48-150,708.32

Finding the Fourth Proportional to 278,032.76, 383,685.48 and 150,708.32

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Solution

The fourth proportional to 278,032.76, 383,685.48 and 150,708.32 is: 207,977.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,032.76 : 383,685.48 = 150,708.32 : x
  2. Step 2: Convert to fraction form
    278,032.76/383,685.48 = 150,708.32/x
  3. Step 3: Cross multiply
    278,032.76x = 383,685.48 × 150,708.32
  4. Step 4: Simplify right side
    278,032.76x = 57,824,594,099.19
  5. Step 5: Solve for x
    x = 57,824,594,099.19/278,032.76
  6. Step 6: Final answer
    x = 207,977.63

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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.