Home / 378,019.04-521,666.26-208,253.16

Finding the Fourth Proportional to 378,019.04, 521,666.26 and 208,253.16

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Solution

The fourth proportional to 378,019.04, 521,666.26 and 208,253.16 is: 287,389.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,019.04 : 521,666.26 = 208,253.16 : x
  2. Step 2: Convert to fraction form
    378,019.04/521,666.26 = 208,253.16/x
  3. Step 3: Cross multiply
    378,019.04x = 521,666.26 × 208,253.16
  4. Step 4: Simplify right side
    378,019.04x = 108,638,646,589.75
  5. Step 5: Solve for x
    x = 108,638,646,589.75/378,019.04
  6. Step 6: Final answer
    x = 287,389.35

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