Home / 405,385.83-559,428.75-224,102.43

Finding the Fourth Proportional to 405,385.83, 559,428.75 and 224,102.43

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Solution

The fourth proportional to 405,385.83, 559,428.75 and 224,102.43 is: 309,259.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,385.83 : 559,428.75 = 224,102.43 : x
  2. Step 2: Convert to fraction form
    405,385.83/559,428.75 = 224,102.43/x
  3. Step 3: Cross multiply
    405,385.83x = 559,428.75 × 224,102.43
  4. Step 4: Simplify right side
    405,385.83x = 125,369,342,286.86
  5. Step 5: Solve for x
    x = 125,369,342,286.86/405,385.83
  6. Step 6: Final answer
    x = 309,259.31

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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.