Home / 427,914.09-590,539.90-236,927.49

Finding the Fourth Proportional to 427,914.09, 590,539.90 and 236,927.49

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Solution

The fourth proportional to 427,914.09, 590,539.90 and 236,927.49 is: 326,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,914.09 : 590,539.90 = 236,927.49 : x
  2. Step 2: Convert to fraction form
    427,914.09/590,539.90 = 236,927.49/x
  3. Step 3: Cross multiply
    427,914.09x = 590,539.90 × 236,927.49
  4. Step 4: Simplify right side
    427,914.09x = 139,915,136,251.85
  5. Step 5: Solve for x
    x = 139,915,136,251.85/427,914.09
  6. Step 6: Final answer
    x = 326,970.15

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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.