Home / 278,868.54-384,837.54-158,032.84

Finding the Fourth Proportional to 278,868.54, 384,837.54 and 158,032.84

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Solution

The fourth proportional to 278,868.54, 384,837.54 and 158,032.84 is: 218,084.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,868.54 : 384,837.54 = 158,032.84 : x
  2. Step 2: Convert to fraction form
    278,868.54/384,837.54 = 158,032.84/x
  3. Step 3: Cross multiply
    278,868.54x = 384,837.54 × 158,032.84
  4. Step 4: Simplify right side
    278,868.54x = 60,816,969,384.81
  5. Step 5: Solve for x
    x = 60,816,969,384.81/278,868.54
  6. Step 6: Final answer
    x = 218,084.73

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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.