Home / 370,233.30-555,933.15-212,769.30

Finding the Fourth Proportional to 370,233.30, 555,933.15 and 212,769.30

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Solution

The fourth proportional to 370,233.30, 555,933.15 and 212,769.30 is: 319,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,233.30 : 555,933.15 = 212,769.30 : x
  2. Step 2: Convert to fraction form
    370,233.30/555,933.15 = 212,769.30/x
  3. Step 3: Cross multiply
    370,233.30x = 555,933.15 × 212,769.30
  4. Step 4: Simplify right side
    370,233.30x = 118,285,507,172.30
  5. Step 5: Solve for x
    x = 118,285,507,172.30/370,233.30
  6. Step 6: Final answer
    x = 319,489.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.