Home / 421,845.10-582,056.22-249,817.12

Finding the Fourth Proportional to 421,845.10, 582,056.22 and 249,817.12

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Solution

The fourth proportional to 421,845.10, 582,056.22 and 249,817.12 is: 344,694.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,845.10 : 582,056.22 = 249,817.12 : x
  2. Step 2: Convert to fraction form
    421,845.10/582,056.22 = 249,817.12/x
  3. Step 3: Cross multiply
    421,845.10x = 582,056.22 × 249,817.12
  4. Step 4: Simplify right side
    421,845.10x = 145,407,608,558.49
  5. Step 5: Solve for x
    x = 145,407,608,558.49/421,845.10
  6. Step 6: Final answer
    x = 344,694.32

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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.