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Finding the Fourth Proportional to 370,517.33, 511,307.20 and 209,368.91

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Solution

The fourth proportional to 370,517.33, 511,307.20 and 209,368.91 is: 288,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,517.33 : 511,307.20 = 209,368.91 : x
  2. Step 2: Convert to fraction form
    370,517.33/511,307.20 = 209,368.91/x
  3. Step 3: Cross multiply
    370,517.33x = 511,307.20 × 209,368.91
  4. Step 4: Simplify right side
    370,517.33x = 107,051,831,139.15
  5. Step 5: Solve for x
    x = 107,051,831,139.15/370,517.33
  6. Step 6: Final answer
    x = 288,925.30

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