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Finding the Fourth Proportional to 243,440.04, 364,858.62 and 137,939.16

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Solution

The fourth proportional to 243,440.04, 364,858.62 and 137,939.16 is: 206,737.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,440.04 : 364,858.62 = 137,939.16 : x
  2. Step 2: Convert to fraction form
    243,440.04/364,858.62 = 137,939.16/x
  3. Step 3: Cross multiply
    243,440.04x = 364,858.62 × 137,939.16
  4. Step 4: Simplify right side
    243,440.04x = 50,328,291,561.56
  5. Step 5: Solve for x
    x = 50,328,291,561.56/243,440.04
  6. Step 6: Final answer
    x = 206,737.94

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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.