Home / 405,442.16-559,521.87-224,165.80

Finding the Fourth Proportional to 405,442.16, 559,521.87 and 224,165.80

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Solution

The fourth proportional to 405,442.16, 559,521.87 and 224,165.80 is: 309,355.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,442.16 : 559,521.87 = 224,165.80 : x
  2. Step 2: Convert to fraction form
    405,442.16/559,521.87 = 224,165.80/x
  3. Step 3: Cross multiply
    405,442.16x = 559,521.87 × 224,165.80
  4. Step 4: Simplify right side
    405,442.16x = 125,425,664,317.52
  5. Step 5: Solve for x
    x = 125,425,664,317.52/405,442.16
  6. Step 6: Final answer
    x = 309,355.26

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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.