Home / 405,456.90-559,487.66-224,139.60

Finding the Fourth Proportional to 405,456.90, 559,487.66 and 224,139.60

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Solution

The fourth proportional to 405,456.90, 559,487.66 and 224,139.60 is: 309,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,456.90 : 559,487.66 = 224,139.60 : x
  2. Step 2: Convert to fraction form
    405,456.90/559,487.66 = 224,139.60/x
  3. Step 3: Cross multiply
    405,456.90x = 559,487.66 × 224,139.60
  4. Step 4: Simplify right side
    405,456.90x = 125,403,339,196.64
  5. Step 5: Solve for x
    x = 125,403,339,196.64/405,456.90
  6. Step 6: Final answer
    x = 309,288.95

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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.