Home / 302,869.76-454,015.42-113,278.72

Finding the Fourth Proportional to 302,869.76, 454,015.42 and 113,278.72

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Solution

The fourth proportional to 302,869.76, 454,015.42 and 113,278.72 is: 169,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,869.76 : 454,015.42 = 113,278.72 : x
  2. Step 2: Convert to fraction form
    302,869.76/454,015.42 = 113,278.72/x
  3. Step 3: Cross multiply
    302,869.76x = 454,015.42 × 113,278.72
  4. Step 4: Simplify right side
    302,869.76x = 51,430,285,637.86
  5. Step 5: Solve for x
    x = 51,430,285,637.86/302,869.76
  6. Step 6: Final answer
    x = 169,809.91

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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.