Home / 307,991.45-425,036.76-170,179.25

Finding the Fourth Proportional to 307,991.45, 425,036.76 and 170,179.25

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Solution

The fourth proportional to 307,991.45, 425,036.76 and 170,179.25 is: 234,852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,991.45 : 425,036.76 = 170,179.25 : x
  2. Step 2: Convert to fraction form
    307,991.45/425,036.76 = 170,179.25/x
  3. Step 3: Cross multiply
    307,991.45x = 425,036.76 × 170,179.25
  4. Step 4: Simplify right side
    307,991.45x = 72,332,437,039.23
  5. Step 5: Solve for x
    x = 72,332,437,039.23/307,991.45
  6. Step 6: Final answer
    x = 234,852.09

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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.