Home / 313,289.19-432,327.45-170,046.15

Finding the Fourth Proportional to 313,289.19, 432,327.45 and 170,046.15

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Solution

The fourth proportional to 313,289.19, 432,327.45 and 170,046.15 is: 234,657.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,289.19 : 432,327.45 = 170,046.15 : x
  2. Step 2: Convert to fraction form
    313,289.19/432,327.45 = 170,046.15/x
  3. Step 3: Cross multiply
    313,289.19x = 432,327.45 × 170,046.15
  4. Step 4: Simplify right side
    313,289.19x = 73,515,618,411.82
  5. Step 5: Solve for x
    x = 73,515,618,411.82/313,289.19
  6. Step 6: Final answer
    x = 234,657.37

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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.