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Finding the Fourth Proportional to 349,793.60, 524,085.60 and 162,420.80

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Solution

The fourth proportional to 349,793.60, 524,085.60 and 162,420.80 is: 243,350.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,793.60 : 524,085.60 = 162,420.80 : x
  2. Step 2: Convert to fraction form
    349,793.60/524,085.60 = 162,420.80/x
  3. Step 3: Cross multiply
    349,793.60x = 524,085.60 × 162,420.80
  4. Step 4: Simplify right side
    349,793.60x = 85,122,402,420.48
  5. Step 5: Solve for x
    x = 85,122,402,420.48/349,793.60
  6. Step 6: Final answer
    x = 243,350.37

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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.