Home / 345,989.43-477,477.24-200,784.02

Finding the Fourth Proportional to 345,989.43, 477,477.24 and 200,784.02

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Solution

The fourth proportional to 345,989.43, 477,477.24 and 200,784.02 is: 277,088.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,989.43 : 477,477.24 = 200,784.02 : x
  2. Step 2: Convert to fraction form
    345,989.43/477,477.24 = 200,784.02/x
  3. Step 3: Cross multiply
    345,989.43x = 477,477.24 × 200,784.02
  4. Step 4: Simplify right side
    345,989.43x = 95,869,800,146.46
  5. Step 5: Solve for x
    x = 95,869,800,146.46/345,989.43
  6. Step 6: Final answer
    x = 277,088.82

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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.