Home / 400,628.62-552,867.96-219,341.98

Finding the Fourth Proportional to 400,628.62, 552,867.96 and 219,341.98

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Solution

The fourth proportional to 400,628.62, 552,867.96 and 219,341.98 is: 302,692.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,628.62 : 552,867.96 = 219,341.98 : x
  2. Step 2: Convert to fraction form
    400,628.62/552,867.96 = 219,341.98/x
  3. Step 3: Cross multiply
    400,628.62x = 552,867.96 × 219,341.98
  4. Step 4: Simplify right side
    400,628.62x = 121,267,153,024.96
  5. Step 5: Solve for x
    x = 121,267,153,024.96/400,628.62
  6. Step 6: Final answer
    x = 302,692.19

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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.