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Finding the Fourth Proportional to 233,452.96, 349,652.40 and 139,760.80

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Solution

The fourth proportional to 233,452.96, 349,652.40 and 139,760.80 is: 209,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,452.96 : 349,652.40 = 139,760.80 : x
  2. Step 2: Convert to fraction form
    233,452.96/349,652.40 = 139,760.80/x
  3. Step 3: Cross multiply
    233,452.96x = 349,652.40 × 139,760.80
  4. Step 4: Simplify right side
    233,452.96x = 48,867,699,145.92
  5. Step 5: Solve for x
    x = 48,867,699,145.92/233,452.96
  6. Step 6: Final answer
    x = 209,325.68

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1.5x scale

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.