Home / 374,629.80-561,944.70-214,541.40

Finding the Fourth Proportional to 374,629.80, 561,944.70 and 214,541.40

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Solution

The fourth proportional to 374,629.80, 561,944.70 and 214,541.40 is: 321,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,629.80 : 561,944.70 = 214,541.40 : x
  2. Step 2: Convert to fraction form
    374,629.80/561,944.70 = 214,541.40/x
  3. Step 3: Cross multiply
    374,629.80x = 561,944.70 × 214,541.40
  4. Step 4: Simplify right side
    374,629.80x = 120,560,402,660.58
  5. Step 5: Solve for x
    x = 120,560,402,660.58/374,629.80
  6. Step 6: Final answer
    x = 321,812.10

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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.