Home / 305,154.42-457,799.04-102,760.46

Finding the Fourth Proportional to 305,154.42, 457,799.04 and 102,760.46

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Solution

The fourth proportional to 305,154.42, 457,799.04 and 102,760.46 is: 154,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,154.42 : 457,799.04 = 102,760.46 : x
  2. Step 2: Convert to fraction form
    305,154.42/457,799.04 = 102,760.46/x
  3. Step 3: Cross multiply
    305,154.42x = 457,799.04 × 102,760.46
  4. Step 4: Simplify right side
    305,154.42x = 47,043,639,937.96
  5. Step 5: Solve for x
    x = 47,043,639,937.96/305,154.42
  6. Step 6: Final answer
    x = 154,163.39

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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.