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Finding the Fourth Proportional to 295,483.26, 440,414.05 and 278,666.58

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Solution

The fourth proportional to 295,483.26, 440,414.05 and 278,666.58 is: 415,349.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,483.26 : 440,414.05 = 278,666.58 : x
  2. Step 2: Convert to fraction form
    295,483.26/440,414.05 = 278,666.58/x
  3. Step 3: Cross multiply
    295,483.26x = 440,414.05 × 278,666.58
  4. Step 4: Simplify right side
    295,483.26x = 122,728,677,097.45
  5. Step 5: Solve for x
    x = 122,728,677,097.45/295,483.26
  6. Step 6: Final answer
    x = 415,349.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.