Home / 354,022.40-531,033.60-228,051.20

Finding the Fourth Proportional to 354,022.40, 531,033.60 and 228,051.20

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Solution

The fourth proportional to 354,022.40, 531,033.60 and 228,051.20 is: 342,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,022.40 : 531,033.60 = 228,051.20 : x
  2. Step 2: Convert to fraction form
    354,022.40/531,033.60 = 228,051.20/x
  3. Step 3: Cross multiply
    354,022.40x = 531,033.60 × 228,051.20
  4. Step 4: Simplify right side
    354,022.40x = 121,102,849,720.32
  5. Step 5: Solve for x
    x = 121,102,849,720.32/354,022.40
  6. Step 6: Final answer
    x = 342,076.80

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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.