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Finding the Fourth Proportional to 298,460, 447,690 and 101,468

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Solution

The fourth proportional to 298,460, 447,690 and 101,468 is: 152,202

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,460 : 447,690 = 101,468 : x
  2. Step 2: Convert to fraction form
    298,460/447,690 = 101,468/x
  3. Step 3: Cross multiply
    298,460x = 447,690 × 101,468
  4. Step 4: Simplify right side
    298,460x = 45,426,208,920
  5. Step 5: Solve for x
    x = 45,426,208,920/298,460
  6. Step 6: Final answer
    x = 152,202

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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.