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Finding the Fourth Proportional to 366,345.60, 549,615.60 and 129,663.60

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Solution

The fourth proportional to 366,345.60, 549,615.60 and 129,663.60 is: 194,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,345.60 : 549,615.60 = 129,663.60 : x
  2. Step 2: Convert to fraction form
    366,345.60/549,615.60 = 129,663.60/x
  3. Step 3: Cross multiply
    366,345.60x = 549,615.60 × 129,663.60
  4. Step 4: Simplify right side
    366,345.60x = 71,265,137,312.16
  5. Step 5: Solve for x
    x = 71,265,137,312.16/366,345.60
  6. Step 6: Final answer
    x = 194,529.80

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