Home / 405,453.15-559,482.48-224,135.85

Finding the Fourth Proportional to 405,453.15, 559,482.48 and 224,135.85

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Solution

The fourth proportional to 405,453.15, 559,482.48 and 224,135.85 is: 309,283.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,453.15 : 559,482.48 = 224,135.85 : x
  2. Step 2: Convert to fraction form
    405,453.15/559,482.48 = 224,135.85/x
  3. Step 3: Cross multiply
    405,453.15x = 559,482.48 × 224,135.85
  4. Step 4: Simplify right side
    405,453.15x = 125,400,081,214.91
  5. Step 5: Solve for x
    x = 125,400,081,214.91/405,453.15
  6. Step 6: Final answer
    x = 309,283.78

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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.