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Finding the Fourth Proportional to 386,678.10, 580,228.56 and 150,030.12

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Solution

The fourth proportional to 386,678.10, 580,228.56 and 150,030.12 is: 225,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,678.10 : 580,228.56 = 150,030.12 : x
  2. Step 2: Convert to fraction form
    386,678.10/580,228.56 = 150,030.12/x
  3. Step 3: Cross multiply
    386,678.10x = 580,228.56 × 150,030.12
  4. Step 4: Simplify right side
    386,678.10x = 87,051,760,484.23
  5. Step 5: Solve for x
    x = 87,051,760,484.23/386,678.10
  6. Step 6: Final answer
    x = 225,127.21

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