Home / 313,087.40-469,890.30-144,866.60

Finding the Fourth Proportional to 313,087.40, 469,890.30 and 144,866.60

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Solution

The fourth proportional to 313,087.40, 469,890.30 and 144,866.60 is: 217,419.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,087.40 : 469,890.30 = 144,866.60 : x
  2. Step 2: Convert to fraction form
    313,087.40/469,890.30 = 144,866.60/x
  3. Step 3: Cross multiply
    313,087.40x = 469,890.30 × 144,866.60
  4. Step 4: Simplify right side
    313,087.40x = 68,071,410,133.98
  5. Step 5: Solve for x
    x = 68,071,410,133.98/313,087.40
  6. Step 6: Final answer
    x = 217,419.83

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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.