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Finding the Fourth Proportional to 390,022, 585,033 and 94,534

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Solution

The fourth proportional to 390,022, 585,033 and 94,534 is: 141,801

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,022 : 585,033 = 94,534 : x
  2. Step 2: Convert to fraction form
    390,022/585,033 = 94,534/x
  3. Step 3: Cross multiply
    390,022x = 585,033 × 94,534
  4. Step 4: Simplify right side
    390,022x = 55,305,509,622
  5. Step 5: Solve for x
    x = 55,305,509,622/390,022
  6. Step 6: Final answer
    x = 141,801

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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.