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Finding the Fourth Proportional to 304,278.60, 455,761.80 and 304,278.60

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Solution

The fourth proportional to 304,278.60, 455,761.80 and 304,278.60 is: 455,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,278.60 : 455,761.80 = 304,278.60 : x
  2. Step 2: Convert to fraction form
    304,278.60/455,761.80 = 304,278.60/x
  3. Step 3: Cross multiply
    304,278.60x = 455,761.80 × 304,278.60
  4. Step 4: Simplify right side
    304,278.60x = 138,678,562,437.48
  5. Step 5: Solve for x
    x = 138,678,562,437.48/304,278.60
  6. Step 6: Final answer
    x = 455,761.80

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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.