Home / 374,819.60-517,255.80-205,056.56

Finding the Fourth Proportional to 374,819.60, 517,255.80 and 205,056.56

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Solution

The fourth proportional to 374,819.60, 517,255.80 and 205,056.56 is: 282,980.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,819.60 : 517,255.80 = 205,056.56 : x
  2. Step 2: Convert to fraction form
    374,819.60/517,255.80 = 205,056.56/x
  3. Step 3: Cross multiply
    374,819.60x = 517,255.80 × 205,056.56
  4. Step 4: Simplify right side
    374,819.60x = 106,066,694,988.05
  5. Step 5: Solve for x
    x = 106,066,694,988.05/374,819.60
  6. Step 6: Final answer
    x = 282,980.65

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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.