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Finding the Fourth Proportional to 304,077.27, 455,614.95 and 104,288.00

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Solution

The fourth proportional to 304,077.27, 455,614.95 and 104,288.00 is: 156,260.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,077.27 : 455,614.95 = 104,288.00 : x
  2. Step 2: Convert to fraction form
    304,077.27/455,614.95 = 104,288.00/x
  3. Step 3: Cross multiply
    304,077.27x = 455,614.95 × 104,288.00
  4. Step 4: Simplify right side
    304,077.27x = 47,515,169,627.53
  5. Step 5: Solve for x
    x = 47,515,169,627.53/304,077.27
  6. Step 6: Final answer
    x = 156,260.18

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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.