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Finding the Fourth Proportional to 503,578.18, 755,388.12 and 148,592.20

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Solution

The fourth proportional to 503,578.18, 755,388.12 and 148,592.20 is: 222,894.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,578.18 : 755,388.12 = 148,592.20 : x
  2. Step 2: Convert to fraction form
    503,578.18/755,388.12 = 148,592.20/x
  3. Step 3: Cross multiply
    503,578.18x = 755,388.12 × 148,592.20
  4. Step 4: Simplify right side
    503,578.18x = 112,244,778,084.76
  5. Step 5: Solve for x
    x = 112,244,778,084.76/503,578.18
  6. Step 6: Final answer
    x = 222,894.44

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1.5x scale

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.