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Finding the Fourth Proportional to 359,311.60, 539,032.20 and 148,970.80

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Solution

The fourth proportional to 359,311.60, 539,032.20 and 148,970.80 is: 223,483.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,311.60 : 539,032.20 = 148,970.80 : x
  2. Step 2: Convert to fraction form
    359,311.60/539,032.20 = 148,970.80/x
  3. Step 3: Cross multiply
    359,311.60x = 539,032.20 × 148,970.80
  4. Step 4: Simplify right side
    359,311.60x = 80,300,058,059.76
  5. Step 5: Solve for x
    x = 80,300,058,059.76/359,311.60
  6. Step 6: Final answer
    x = 223,483.07

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