Home / 413,719.04-620,618.81-161,020.08

Finding the Fourth Proportional to 413,719.04, 620,618.81 and 161,020.08

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Solution

The fourth proportional to 413,719.04, 620,618.81 and 161,020.08 is: 241,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,719.04 : 620,618.81 = 161,020.08 : x
  2. Step 2: Convert to fraction form
    413,719.04/620,618.81 = 161,020.08/x
  3. Step 3: Cross multiply
    413,719.04x = 620,618.81 × 161,020.08
  4. Step 4: Simplify right side
    413,719.04x = 99,932,088,790.85
  5. Step 5: Solve for x
    x = 99,932,088,790.85/413,719.04
  6. Step 6: Final answer
    x = 241,545.78

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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.