Home / 401,256.51-553,731.94-217,494.34

Finding the Fourth Proportional to 401,256.51, 553,731.94 and 217,494.34

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Solution

The fourth proportional to 401,256.51, 553,731.94 and 217,494.34 is: 300,141.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,256.51 : 553,731.94 = 217,494.34 : x
  2. Step 2: Convert to fraction form
    401,256.51/553,731.94 = 217,494.34/x
  3. Step 3: Cross multiply
    401,256.51x = 553,731.94 × 217,494.34
  4. Step 4: Simplify right side
    401,256.51x = 120,433,560,058.56
  5. Step 5: Solve for x
    x = 120,433,560,058.56/401,256.51
  6. Step 6: Final answer
    x = 300,141.08

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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.