Home / 437,419.13-603,638.40-236,215.13

Finding the Fourth Proportional to 437,419.13, 603,638.40 and 236,215.13

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Solution

The fourth proportional to 437,419.13, 603,638.40 and 236,215.13 is: 325,976.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,419.13 : 603,638.40 = 236,215.13 : x
  2. Step 2: Convert to fraction form
    437,419.13/603,638.40 = 236,215.13/x
  3. Step 3: Cross multiply
    437,419.13x = 603,638.40 × 236,215.13
  4. Step 4: Simplify right side
    437,419.13x = 142,588,523,128.99
  5. Step 5: Solve for x
    x = 142,588,523,128.99/437,419.13
  6. Step 6: Final answer
    x = 325,976.88

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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.