Home / 307,981.50-425,014.47-166,669.50

Finding the Fourth Proportional to 307,981.50, 425,014.47 and 166,669.50

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Solution

The fourth proportional to 307,981.50, 425,014.47 and 166,669.50 is: 230,003.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,981.50 : 425,014.47 = 166,669.50 : x
  2. Step 2: Convert to fraction form
    307,981.50/425,014.47 = 166,669.50/x
  3. Step 3: Cross multiply
    307,981.50x = 425,014.47 × 166,669.50
  4. Step 4: Simplify right side
    307,981.50x = 70,836,949,207.67
  5. Step 5: Solve for x
    x = 70,836,949,207.67/307,981.50
  6. Step 6: Final answer
    x = 230,003.91

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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.