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Finding the Fourth Proportional to 293,348.86, 440,208.40 and 124,868.93

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Solution

The fourth proportional to 293,348.86, 440,208.40 and 124,868.93 is: 187,382.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,348.86 : 440,208.40 = 124,868.93 : x
  2. Step 2: Convert to fraction form
    293,348.86/440,208.40 = 124,868.93/x
  3. Step 3: Cross multiply
    293,348.86x = 440,208.40 × 124,868.93
  4. Step 4: Simplify right side
    293,348.86x = 54,968,350,431.32
  5. Step 5: Solve for x
    x = 54,968,350,431.32/293,348.86
  6. Step 6: Final answer
    x = 187,382.19

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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.