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Finding the Fourth Proportional to 390,044, 585,066 and 94,556

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Solution

The fourth proportional to 390,044, 585,066 and 94,556 is: 141,834

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,044 : 585,066 = 94,556 : x
  2. Step 2: Convert to fraction form
    390,044/585,066 = 94,556/x
  3. Step 3: Cross multiply
    390,044x = 585,066 × 94,556
  4. Step 4: Simplify right side
    390,044x = 55,321,500,696
  5. Step 5: Solve for x
    x = 55,321,500,696/390,044
  6. Step 6: Final answer
    x = 141,834

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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.