Home / 384,824.54-531,054.06-215,058.66

Finding the Fourth Proportional to 384,824.54, 531,054.06 and 215,058.66

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Solution

The fourth proportional to 384,824.54, 531,054.06 and 215,058.66 is: 296,778.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,824.54 : 531,054.06 = 215,058.66 : x
  2. Step 2: Convert to fraction form
    384,824.54/531,054.06 = 215,058.66/x
  3. Step 3: Cross multiply
    384,824.54x = 531,054.06 × 215,058.66
  4. Step 4: Simplify right side
    384,824.54x = 114,207,774,531.16
  5. Step 5: Solve for x
    x = 114,207,774,531.16/384,824.54
  6. Step 6: Final answer
    x = 296,778.83

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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.