Home / 300,003.28-413,989.32-165,841.36

Finding the Fourth Proportional to 300,003.28, 413,989.32 and 165,841.36

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Solution

The fourth proportional to 300,003.28, 413,989.32 and 165,841.36 is: 228,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,003.28 : 413,989.32 = 165,841.36 : x
  2. Step 2: Convert to fraction form
    300,003.28/413,989.32 = 165,841.36/x
  3. Step 3: Cross multiply
    300,003.28x = 413,989.32 × 165,841.36
  4. Step 4: Simplify right side
    300,003.28x = 68,656,551,854.28
  5. Step 5: Solve for x
    x = 68,656,551,854.28/300,003.28
  6. Step 6: Final answer
    x = 228,852.67

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1.5x scale

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.