Home / 400,914.84-553,248.03-228,841.68

Finding the Fourth Proportional to 400,914.84, 553,248.03 and 228,841.68

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Solution

The fourth proportional to 400,914.84, 553,248.03 and 228,841.68 is: 315,793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,914.84 : 553,248.03 = 228,841.68 : x
  2. Step 2: Convert to fraction form
    400,914.84/553,248.03 = 228,841.68/x
  3. Step 3: Cross multiply
    400,914.84x = 553,248.03 × 228,841.68
  4. Step 4: Simplify right side
    400,914.84x = 126,606,208,641.89
  5. Step 5: Solve for x
    x = 126,606,208,641.89/400,914.84
  6. Step 6: Final answer
    x = 315,793.27

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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.