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Finding the Fourth Proportional to 313,257.80, 469,886.70 and 180,547.40

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Solution

The fourth proportional to 313,257.80, 469,886.70 and 180,547.40 is: 270,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,257.80 : 469,886.70 = 180,547.40 : x
  2. Step 2: Convert to fraction form
    313,257.80/469,886.70 = 180,547.40/x
  3. Step 3: Cross multiply
    313,257.80x = 469,886.70 × 180,547.40
  4. Step 4: Simplify right side
    313,257.80x = 84,836,821,979.58
  5. Step 5: Solve for x
    x = 84,836,821,979.58/313,257.80
  6. Step 6: Final answer
    x = 270,821.10

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