Home / 331,632.62-457,653.03-180,729.50

Finding the Fourth Proportional to 331,632.62, 457,653.03 and 180,729.50

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Solution

The fourth proportional to 331,632.62, 457,653.03 and 180,729.50 is: 249,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,632.62 : 457,653.03 = 180,729.50 : x
  2. Step 2: Convert to fraction form
    331,632.62/457,653.03 = 180,729.50/x
  3. Step 3: Cross multiply
    331,632.62x = 457,653.03 × 180,729.50
  4. Step 4: Simplify right side
    331,632.62x = 82,711,403,285.39
  5. Step 5: Solve for x
    x = 82,711,403,285.39/331,632.62
  6. Step 6: Final answer
    x = 249,406.72

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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.