Home / 437,207.20-603,368.40-267,388

Finding the Fourth Proportional to 437,207.20, 603,368.40 and 267,388

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Solution

The fourth proportional to 437,207.20, 603,368.40 and 267,388 is: 369,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,207.20 : 603,368.40 = 267,388 : x
  2. Step 2: Convert to fraction form
    437,207.20/603,368.40 = 267,388/x
  3. Step 3: Cross multiply
    437,207.20x = 603,368.40 × 267,388
  4. Step 4: Simplify right side
    437,207.20x = 161,333,469,739.20
  5. Step 5: Solve for x
    x = 161,333,469,739.20/437,207.20
  6. Step 6: Final answer
    x = 369,009.18

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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.