Home / 370,766.31-511,637.81-209,611.73

Finding the Fourth Proportional to 370,766.31, 511,637.81 and 209,611.73

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Solution

The fourth proportional to 370,766.31, 511,637.81 and 209,611.73 is: 289,253.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,766.31 : 511,637.81 = 209,611.73 : x
  2. Step 2: Convert to fraction form
    370,766.31/511,637.81 = 209,611.73/x
  3. Step 3: Cross multiply
    370,766.31x = 511,637.81 × 209,611.73
  4. Step 4: Simplify right side
    370,766.31x = 107,245,282,881.26
  5. Step 5: Solve for x
    x = 107,245,282,881.26/370,766.31
  6. Step 6: Final answer
    x = 289,253.04

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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.