Home / 313,738.31-432,961.65-170,498.36

Finding the Fourth Proportional to 313,738.31, 432,961.65 and 170,498.36

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Solution

The fourth proportional to 313,738.31, 432,961.65 and 170,498.36 is: 235,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,738.31 : 432,961.65 = 170,498.36 : x
  2. Step 2: Convert to fraction form
    313,738.31/432,961.65 = 170,498.36/x
  3. Step 3: Cross multiply
    313,738.31x = 432,961.65 × 170,498.36
  4. Step 4: Simplify right side
    313,738.31x = 73,819,252,350.30
  5. Step 5: Solve for x
    x = 73,819,252,350.30/313,738.31
  6. Step 6: Final answer
    x = 235,289.25

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1.5x scale

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.