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Finding the Fourth Proportional to 280,482.75, 387,068.25 and 153,158.34

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Solution

The fourth proportional to 280,482.75, 387,068.25 and 153,158.34 is: 211,359.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,482.75 : 387,068.25 = 153,158.34 : x
  2. Step 2: Convert to fraction form
    280,482.75/387,068.25 = 153,158.34/x
  3. Step 3: Cross multiply
    280,482.75x = 387,068.25 × 153,158.34
  4. Step 4: Simplify right side
    280,482.75x = 59,282,731,370.28
  5. Step 5: Solve for x
    x = 59,282,731,370.28/280,482.75
  6. Step 6: Final answer
    x = 211,359.63

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