Home / 405,442.09-559,521.77-224,165.73

Finding the Fourth Proportional to 405,442.09, 559,521.77 and 224,165.73

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Solution

The fourth proportional to 405,442.09, 559,521.77 and 224,165.73 is: 309,355.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,442.09 : 559,521.77 = 224,165.73 : x
  2. Step 2: Convert to fraction form
    405,442.09/559,521.77 = 224,165.73/x
  3. Step 3: Cross multiply
    405,442.09x = 559,521.77 × 224,165.73
  4. Step 4: Simplify right side
    405,442.09x = 125,425,605,113.94
  5. Step 5: Solve for x
    x = 125,425,605,113.94/405,442.09
  6. Step 6: Final answer
    x = 309,355.17

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1.5x scale

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.