Home / 400,056.21-552,059.99-228,011.40

Finding the Fourth Proportional to 400,056.21, 552,059.99 and 228,011.40

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Solution

The fourth proportional to 400,056.21, 552,059.99 and 228,011.40 is: 314,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,056.21 : 552,059.99 = 228,011.40 : x
  2. Step 2: Convert to fraction form
    400,056.21/552,059.99 = 228,011.40/x
  3. Step 3: Cross multiply
    400,056.21x = 552,059.99 × 228,011.40
  4. Step 4: Simplify right side
    400,056.21x = 125,875,970,063.83
  5. Step 5: Solve for x
    x = 125,875,970,063.83/400,056.21
  6. Step 6: Final answer
    x = 314,645.71

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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.