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Finding the Fourth Proportional to 390,036, 585,054 and 94,548

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Solution

The fourth proportional to 390,036, 585,054 and 94,548 is: 141,822

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,036 : 585,054 = 94,548 : x
  2. Step 2: Convert to fraction form
    390,036/585,054 = 94,548/x
  3. Step 3: Cross multiply
    390,036x = 585,054 × 94,548
  4. Step 4: Simplify right side
    390,036x = 55,315,685,592
  5. Step 5: Solve for x
    x = 55,315,685,592/390,036
  6. Step 6: Final answer
    x = 141,822

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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.