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Finding the Fourth Proportional to 293,080.40, 439,620.60 and 245,841.20

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Solution

The fourth proportional to 293,080.40, 439,620.60 and 245,841.20 is: 368,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,080.40 : 439,620.60 = 245,841.20 : x
  2. Step 2: Convert to fraction form
    293,080.40/439,620.60 = 245,841.20/x
  3. Step 3: Cross multiply
    293,080.40x = 439,620.60 × 245,841.20
  4. Step 4: Simplify right side
    293,080.40x = 108,076,855,848.72
  5. Step 5: Solve for x
    x = 108,076,855,848.72/293,080.40
  6. Step 6: Final answer
    x = 368,761.80

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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.