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Finding the Fourth Proportional to 363,053.61, 544,664.52 and 123,154.74

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Solution

The fourth proportional to 363,053.61, 544,664.52 and 123,154.74 is: 184,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,053.61 : 544,664.52 = 123,154.74 : x
  2. Step 2: Convert to fraction form
    363,053.61/544,664.52 = 123,154.74/x
  3. Step 3: Cross multiply
    363,053.61x = 544,664.52 × 123,154.74
  4. Step 4: Simplify right side
    363,053.61x = 67,078,017,347.82
  5. Step 5: Solve for x
    x = 67,078,017,347.82/363,053.61
  6. Step 6: Final answer
    x = 184,760.64

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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.