Home / 354,904.90-532,357.35-228,933.70

Finding the Fourth Proportional to 354,904.90, 532,357.35 and 228,933.70

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Solution

The fourth proportional to 354,904.90, 532,357.35 and 228,933.70 is: 343,400.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,904.90 : 532,357.35 = 228,933.70 : x
  2. Step 2: Convert to fraction form
    354,904.90/532,357.35 = 228,933.70/x
  3. Step 3: Cross multiply
    354,904.90x = 532,357.35 × 228,933.70
  4. Step 4: Simplify right side
    354,904.90x = 121,874,537,857.70
  5. Step 5: Solve for x
    x = 121,874,537,857.70/354,904.90
  6. Step 6: Final answer
    x = 343,400.55

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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.