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Finding the Fourth Proportional to 252,737.44, 348,837.48 and 145,369.50

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Solution

The fourth proportional to 252,737.44, 348,837.48 and 145,369.50 is: 200,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,737.44 : 348,837.48 = 145,369.50 : x
  2. Step 2: Convert to fraction form
    252,737.44/348,837.48 = 145,369.50/x
  3. Step 3: Cross multiply
    252,737.44x = 348,837.48 × 145,369.50
  4. Step 4: Simplify right side
    252,737.44x = 50,710,330,048.86
  5. Step 5: Solve for x
    x = 50,710,330,048.86/252,737.44
  6. Step 6: Final answer
    x = 200,644.31

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1.5x scale

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.