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Finding the Fourth Proportional to 464,430.80, 696,646.20 and 148,919.60

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Solution

The fourth proportional to 464,430.80, 696,646.20 and 148,919.60 is: 223,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,430.80 : 696,646.20 = 148,919.60 : x
  2. Step 2: Convert to fraction form
    464,430.80/696,646.20 = 148,919.60/x
  3. Step 3: Cross multiply
    464,430.80x = 696,646.20 × 148,919.60
  4. Step 4: Simplify right side
    464,430.80x = 103,744,273,445.52
  5. Step 5: Solve for x
    x = 103,744,273,445.52/464,430.80
  6. Step 6: Final answer
    x = 223,379.40

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