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Finding the Fourth Proportional to 382,274.90, 573,671.55 and 248,830.10

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Solution

The fourth proportional to 382,274.90, 573,671.55 and 248,830.10 is: 373,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,274.90 : 573,671.55 = 248,830.10 : x
  2. Step 2: Convert to fraction form
    382,274.90/573,671.55 = 248,830.10/x
  3. Step 3: Cross multiply
    382,274.90x = 573,671.55 × 248,830.10
  4. Step 4: Simplify right side
    382,274.90x = 142,746,749,153.66
  5. Step 5: Solve for x
    x = 142,746,749,153.66/382,274.90
  6. Step 6: Final answer
    x = 373,413.87

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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.