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Finding the Fourth Proportional to 293,893.40, 439,673.70 and 254,883.80

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Solution

The fourth proportional to 293,893.40, 439,673.70 and 254,883.80 is: 381,314.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,893.40 : 439,673.70 = 254,883.80 : x
  2. Step 2: Convert to fraction form
    293,893.40/439,673.70 = 254,883.80/x
  3. Step 3: Cross multiply
    293,893.40x = 439,673.70 × 254,883.80
  4. Step 4: Simplify right side
    293,893.40x = 112,065,703,416.06
  5. Step 5: Solve for x
    x = 112,065,703,416.06/293,893.40
  6. Step 6: Final answer
    x = 381,314.12

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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.