Home / 405,537.12-559,455.21-262,343.34

Finding the Fourth Proportional to 405,537.12, 559,455.21 and 262,343.34

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Solution

The fourth proportional to 405,537.12, 559,455.21 and 262,343.34 is: 361,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,537.12 : 559,455.21 = 262,343.34 : x
  2. Step 2: Convert to fraction form
    405,537.12/559,455.21 = 262,343.34/x
  3. Step 3: Cross multiply
    405,537.12x = 559,455.21 × 262,343.34
  4. Step 4: Simplify right side
    405,537.12x = 146,769,348,371.80
  5. Step 5: Solve for x
    x = 146,769,348,371.80/405,537.12
  6. Step 6: Final answer
    x = 361,913.48

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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.