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Finding the Fourth Proportional to 339,643.45, 468,711.59 and 184,594.74

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Solution

The fourth proportional to 339,643.45, 468,711.59 and 184,594.74 is: 254,742.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,643.45 : 468,711.59 = 184,594.74 : x
  2. Step 2: Convert to fraction form
    339,643.45/468,711.59 = 184,594.74/x
  3. Step 3: Cross multiply
    339,643.45x = 468,711.59 × 184,594.74
  4. Step 4: Simplify right side
    339,643.45x = 86,521,694,091.04
  5. Step 5: Solve for x
    x = 86,521,694,091.04/339,643.45
  6. Step 6: Final answer
    x = 254,742.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.