Home / 313,891.40-470,688.70-114,072.52

Finding the Fourth Proportional to 313,891.40, 470,688.70 and 114,072.52

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Solution

The fourth proportional to 313,891.40, 470,688.70 and 114,072.52 is: 171,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,891.40 : 470,688.70 = 114,072.52 : x
  2. Step 2: Convert to fraction form
    313,891.40/470,688.70 = 114,072.52/x
  3. Step 3: Cross multiply
    313,891.40x = 470,688.70 × 114,072.52
  4. Step 4: Simplify right side
    313,891.40x = 53,692,646,144.52
  5. Step 5: Solve for x
    x = 53,692,646,144.52/313,891.40
  6. Step 6: Final answer
    x = 171,054.85

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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.