Home / 291,470.63-402,230.31-168,986.82

Finding the Fourth Proportional to 291,470.63, 402,230.31 and 168,986.82

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Solution

The fourth proportional to 291,470.63, 402,230.31 and 168,986.82 is: 233,202.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,470.63 : 402,230.31 = 168,986.82 : x
  2. Step 2: Convert to fraction form
    291,470.63/402,230.31 = 168,986.82/x
  3. Step 3: Cross multiply
    291,470.63x = 402,230.31 × 168,986.82
  4. Step 4: Simplify right side
    291,470.63x = 67,971,618,138.43
  5. Step 5: Solve for x
    x = 67,971,618,138.43/291,470.63
  6. Step 6: Final answer
    x = 233,202.29

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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.