Home / 240,407.04-331,650-155,551.44

Finding the Fourth Proportional to 240,407.04, 331,650 and 155,551.44

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Solution

The fourth proportional to 240,407.04, 331,650 and 155,551.44 is: 214,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,407.04 : 331,650 = 155,551.44 : x
  2. Step 2: Convert to fraction form
    240,407.04/331,650 = 155,551.44/x
  3. Step 3: Cross multiply
    240,407.04x = 331,650 × 155,551.44
  4. Step 4: Simplify right side
    240,407.04x = 51,588,635,076
  5. Step 5: Solve for x
    x = 51,588,635,076/240,407.04
  6. Step 6: Final answer
    x = 214,588.70

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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.