Home / 289,936.52-434,730.01-129,983.50

Finding the Fourth Proportional to 289,936.52, 434,730.01 and 129,983.50

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Solution

The fourth proportional to 289,936.52, 434,730.01 and 129,983.50 is: 194,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,936.52 : 434,730.01 = 129,983.50 : x
  2. Step 2: Convert to fraction form
    289,936.52/434,730.01 = 129,983.50/x
  3. Step 3: Cross multiply
    289,936.52x = 434,730.01 × 129,983.50
  4. Step 4: Simplify right side
    289,936.52x = 56,507,727,604.92
  5. Step 5: Solve for x
    x = 56,507,727,604.92/289,936.52
  6. Step 6: Final answer
    x = 194,896.90

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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.