Home / 278,882.02-384,859.62-151,557.60

Finding the Fourth Proportional to 278,882.02, 384,859.62 and 151,557.60

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Solution

The fourth proportional to 278,882.02, 384,859.62 and 151,557.60 is: 209,150.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,882.02 : 384,859.62 = 151,557.60 : x
  2. Step 2: Convert to fraction form
    278,882.02/384,859.62 = 151,557.60/x
  3. Step 3: Cross multiply
    278,882.02x = 384,859.62 × 151,557.60
  4. Step 4: Simplify right side
    278,882.02x = 58,328,400,344.11
  5. Step 5: Solve for x
    x = 58,328,400,344.11/278,882.02
  6. Step 6: Final answer
    x = 209,150.81

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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.