Home / 390,023.46-584,036.42-269,914.10

Finding the Fourth Proportional to 390,023.46, 584,036.42 and 269,914.10

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Solution

The fourth proportional to 390,023.46, 584,036.42 and 269,914.10 is: 404,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,023.46 : 584,036.42 = 269,914.10 : x
  2. Step 2: Convert to fraction form
    390,023.46/584,036.42 = 269,914.10/x
  3. Step 3: Cross multiply
    390,023.46x = 584,036.42 × 269,914.10
  4. Step 4: Simplify right side
    390,023.46x = 157,639,660,401.77
  5. Step 5: Solve for x
    x = 157,639,660,401.77/390,023.46
  6. Step 6: Final answer
    x = 404,179.94

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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.