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Finding the Fourth Proportional to 370,940.04, 511,894.56 and 207,596.64

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Solution

The fourth proportional to 370,940.04, 511,894.56 and 207,596.64 is: 286,481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,940.04 : 511,894.56 = 207,596.64 : x
  2. Step 2: Convert to fraction form
    370,940.04/511,894.56 = 207,596.64/x
  3. Step 3: Cross multiply
    370,940.04x = 511,894.56 × 207,596.64
  4. Step 4: Simplify right side
    370,940.04x = 106,267,590,690.28
  5. Step 5: Solve for x
    x = 106,267,590,690.28/370,940.04
  6. Step 6: Final answer
    x = 286,481.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.