Home / 382,827.87-528,293.48-213,058.35

Finding the Fourth Proportional to 382,827.87, 528,293.48 and 213,058.35

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Solution

The fourth proportional to 382,827.87, 528,293.48 and 213,058.35 is: 294,015.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,827.87 : 528,293.48 = 213,058.35 : x
  2. Step 2: Convert to fraction form
    382,827.87/528,293.48 = 213,058.35/x
  3. Step 3: Cross multiply
    382,827.87x = 528,293.48 × 213,058.35
  4. Step 4: Simplify right side
    382,827.87x = 112,557,336,099.27
  5. Step 5: Solve for x
    x = 112,557,336,099.27/382,827.87
  6. Step 6: Final answer
    x = 294,015.52

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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.