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Finding the Fourth Proportional to 265,485.87, 398,316.29 and 97,057.71

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Solution

The fourth proportional to 265,485.87, 398,316.29 and 97,057.71 is: 145,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,485.87 : 398,316.29 = 97,057.71 : x
  2. Step 2: Convert to fraction form
    265,485.87/398,316.29 = 97,057.71/x
  3. Step 3: Cross multiply
    265,485.87x = 398,316.29 × 97,057.71
  4. Step 4: Simplify right side
    265,485.87x = 38,659,666,477.81
  5. Step 5: Solve for x
    x = 38,659,666,477.81/265,485.87
  6. Step 6: Final answer
    x = 145,618.55

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