Home / 278,501.22-384,191.91-187,742.34

Finding the Fourth Proportional to 278,501.22, 384,191.91 and 187,742.34

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Solution

The fourth proportional to 278,501.22, 384,191.91 and 187,742.34 is: 258,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,501.22 : 384,191.91 = 187,742.34 : x
  2. Step 2: Convert to fraction form
    278,501.22/384,191.91 = 187,742.34/x
  3. Step 3: Cross multiply
    278,501.22x = 384,191.91 × 187,742.34
  4. Step 4: Simplify right side
    278,501.22x = 72,129,088,192.47
  5. Step 5: Solve for x
    x = 72,129,088,192.47/278,501.22
  6. Step 6: Final answer
    x = 258,990.21

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