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Finding the Fourth Proportional to 351,108, 526,662 and 101,792.16

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Solution

The fourth proportional to 351,108, 526,662 and 101,792.16 is: 152,688.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,108 : 526,662 = 101,792.16 : x
  2. Step 2: Convert to fraction form
    351,108/526,662 = 101,792.16/x
  3. Step 3: Cross multiply
    351,108x = 526,662 × 101,792.16
  4. Step 4: Simplify right side
    351,108x = 53,610,062,569.92
  5. Step 5: Solve for x
    x = 53,610,062,569.92/351,108
  6. Step 6: Final answer
    x = 152,688.24

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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.