Home / 292,257.72-403,315.74-164,960.28

Finding the Fourth Proportional to 292,257.72, 403,315.74 and 164,960.28

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Solution

The fourth proportional to 292,257.72, 403,315.74 and 164,960.28 is: 227,645.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,257.72 : 403,315.74 = 164,960.28 : x
  2. Step 2: Convert to fraction form
    292,257.72/403,315.74 = 164,960.28/x
  3. Step 3: Cross multiply
    292,257.72x = 403,315.74 × 164,960.28
  4. Step 4: Simplify right side
    292,257.72x = 66,531,077,398.81
  5. Step 5: Solve for x
    x = 66,531,077,398.81/292,257.72
  6. Step 6: Final answer
    x = 227,645.24

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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.