Home / 394,913.73-544,980.32-213,625.10

Finding the Fourth Proportional to 394,913.73, 544,980.32 and 213,625.10

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Solution

The fourth proportional to 394,913.73, 544,980.32 and 213,625.10 is: 294,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,913.73 : 544,980.32 = 213,625.10 : x
  2. Step 2: Convert to fraction form
    394,913.73/544,980.32 = 213,625.10/x
  3. Step 3: Cross multiply
    394,913.73x = 544,980.32 × 213,625.10
  4. Step 4: Simplify right side
    394,913.73x = 116,421,475,358.03
  5. Step 5: Solve for x
    x = 116,421,475,358.03/394,913.73
  6. Step 6: Final answer
    x = 294,802.30

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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.