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Finding the Fourth Proportional to 352,096.89, 528,130.67 and 162,494.25

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Solution

The fourth proportional to 352,096.89, 528,130.67 and 162,494.25 is: 243,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,096.89 : 528,130.67 = 162,494.25 : x
  2. Step 2: Convert to fraction form
    352,096.89/528,130.67 = 162,494.25/x
  3. Step 3: Cross multiply
    352,096.89x = 528,130.67 × 162,494.25
  4. Step 4: Simplify right side
    352,096.89x = 85,818,196,311.18
  5. Step 5: Solve for x
    x = 85,818,196,311.18/352,096.89
  6. Step 6: Final answer
    x = 243,734.60

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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.