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Finding the Fourth Proportional to 257,465.23, 386,145.05 and 97,485.98

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Solution

The fourth proportional to 257,465.23, 386,145.05 and 97,485.98 is: 146,208.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,465.23 : 386,145.05 = 97,485.98 : x
  2. Step 2: Convert to fraction form
    257,465.23/386,145.05 = 97,485.98/x
  3. Step 3: Cross multiply
    257,465.23x = 386,145.05 × 97,485.98
  4. Step 4: Simplify right side
    257,465.23x = 37,643,728,621.40
  5. Step 5: Solve for x
    x = 37,643,728,621.40/257,465.23
  6. Step 6: Final answer
    x = 146,208.98

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