Home / 209,041.48-313,965.60-179,123.32

Finding the Fourth Proportional to 209,041.48, 313,965.60 and 179,123.32

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Solution

The fourth proportional to 209,041.48, 313,965.60 and 179,123.32 is: 269,030.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,041.48 : 313,965.60 = 179,123.32 : x
  2. Step 2: Convert to fraction form
    209,041.48/313,965.60 = 179,123.32/x
  3. Step 3: Cross multiply
    209,041.48x = 313,965.60 × 179,123.32
  4. Step 4: Simplify right side
    209,041.48x = 56,238,560,637.79
  5. Step 5: Solve for x
    x = 56,238,560,637.79/209,041.48
  6. Step 6: Final answer
    x = 269,030.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.