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Finding the Fourth Proportional to 448,048.40, 672,058.20 and 148,542.80

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Solution

The fourth proportional to 448,048.40, 672,058.20 and 148,542.80 is: 222,809.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,048.40 : 672,058.20 = 148,542.80 : x
  2. Step 2: Convert to fraction form
    448,048.40/672,058.20 = 148,542.80/x
  3. Step 3: Cross multiply
    448,048.40x = 672,058.20 × 148,542.80
  4. Step 4: Simplify right side
    448,048.40x = 99,829,406,790.96
  5. Step 5: Solve for x
    x = 99,829,406,790.96/448,048.40
  6. Step 6: Final answer
    x = 222,809.43

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