Home / 282,056.70-389,272.74-161,170.26

Finding the Fourth Proportional to 282,056.70, 389,272.74 and 161,170.26

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Solution

The fourth proportional to 282,056.70, 389,272.74 and 161,170.26 is: 222,434.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,056.70 : 389,272.74 = 161,170.26 : x
  2. Step 2: Convert to fraction form
    282,056.70/389,272.74 = 161,170.26/x
  3. Step 3: Cross multiply
    282,056.70x = 389,272.74 × 161,170.26
  4. Step 4: Simplify right side
    282,056.70x = 62,739,188,716.71
  5. Step 5: Solve for x
    x = 62,739,188,716.71/282,056.70
  6. Step 6: Final answer
    x = 222,434.67

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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.