Home / 278,859.02-384,824.42-158,023.32

Finding the Fourth Proportional to 278,859.02, 384,824.42 and 158,023.32

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Solution

The fourth proportional to 278,859.02, 384,824.42 and 158,023.32 is: 218,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,859.02 : 384,824.42 = 158,023.32 : x
  2. Step 2: Convert to fraction form
    278,859.02/384,824.42 = 158,023.32/x
  3. Step 3: Cross multiply
    278,859.02x = 384,824.42 × 158,023.32
  4. Step 4: Simplify right side
    278,859.02x = 60,811,232,465.47
  5. Step 5: Solve for x
    x = 60,811,232,465.47/278,859.02
  6. Step 6: Final answer
    x = 218,071.60

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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.