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Finding the Fourth Proportional to 395,060.84, 591,212.06 and 323,152.36

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Solution

The fourth proportional to 395,060.84, 591,212.06 and 323,152.36 is: 483,600.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,060.84 : 591,212.06 = 323,152.36 : x
  2. Step 2: Convert to fraction form
    395,060.84/591,212.06 = 323,152.36/x
  3. Step 3: Cross multiply
    395,060.84x = 591,212.06 × 323,152.36
  4. Step 4: Simplify right side
    395,060.84x = 191,051,572,449.46
  5. Step 5: Solve for x
    x = 191,051,572,449.46/395,060.84
  6. Step 6: Final answer
    x = 483,600.38

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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.