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Finding the Fourth Proportional to 315,882.15, 473,649.70 and 155,605.42

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Solution

The fourth proportional to 315,882.15, 473,649.70 and 155,605.42 is: 233,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,882.15 : 473,649.70 = 155,605.42 : x
  2. Step 2: Convert to fraction form
    315,882.15/473,649.70 = 155,605.42/x
  3. Step 3: Cross multiply
    315,882.15x = 473,649.70 × 155,605.42
  4. Step 4: Simplify right side
    315,882.15x = 73,702,460,501.37
  5. Step 5: Solve for x
    x = 73,702,460,501.37/315,882.15
  6. Step 6: Final answer
    x = 233,322.65

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