Home / 302,875.76-454,226.16-103,191.72

Finding the Fourth Proportional to 302,875.76, 454,226.16 and 103,191.72

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Solution

The fourth proportional to 302,875.76, 454,226.16 and 103,191.72 is: 154,757.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,875.76 : 454,226.16 = 103,191.72 : x
  2. Step 2: Convert to fraction form
    302,875.76/454,226.16 = 103,191.72/x
  3. Step 3: Cross multiply
    302,875.76x = 454,226.16 × 103,191.72
  4. Step 4: Simplify right side
    302,875.76x = 46,872,378,719.40
  5. Step 5: Solve for x
    x = 46,872,378,719.40/302,875.76
  6. Step 6: Final answer
    x = 154,757.78

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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.