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Finding the Fourth Proportional to 390,006, 585,009 and 94,518

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Solution

The fourth proportional to 390,006, 585,009 and 94,518 is: 141,777

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,006 : 585,009 = 94,518 : x
  2. Step 2: Convert to fraction form
    390,006/585,009 = 94,518/x
  3. Step 3: Cross multiply
    390,006x = 585,009 × 94,518
  4. Step 4: Simplify right side
    390,006x = 55,293,880,662
  5. Step 5: Solve for x
    x = 55,293,880,662/390,006
  6. Step 6: Final answer
    x = 141,777

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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.