Home / 215,628.87-297,571.10-123,763.35

Finding the Fourth Proportional to 215,628.87, 297,571.10 and 123,763.35

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Solution

The fourth proportional to 215,628.87, 297,571.10 and 123,763.35 is: 170,795.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,628.87 : 297,571.10 = 123,763.35 : x
  2. Step 2: Convert to fraction form
    215,628.87/297,571.10 = 123,763.35/x
  3. Step 3: Cross multiply
    215,628.87x = 297,571.10 × 123,763.35
  4. Step 4: Simplify right side
    215,628.87x = 36,828,395,580.37
  5. Step 5: Solve for x
    x = 36,828,395,580.37/215,628.87
  6. Step 6: Final answer
    x = 170,795.29

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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.