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Finding the Fourth Proportional to 379,360.48, 523,353 and 228,370

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Solution

The fourth proportional to 379,360.48, 523,353 and 228,370 is: 315,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,360.48 : 523,353 = 228,370 : x
  2. Step 2: Convert to fraction form
    379,360.48/523,353 = 228,370/x
  3. Step 3: Cross multiply
    379,360.48x = 523,353 × 228,370
  4. Step 4: Simplify right side
    379,360.48x = 119,518,124,610
  5. Step 5: Solve for x
    x = 119,518,124,610/379,360.48
  6. Step 6: Final answer
    x = 315,051.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.