Home / 642,759.22-963,836.63-237,671.54

Finding the Fourth Proportional to 642,759.22, 963,836.63 and 237,671.54

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Solution

The fourth proportional to 642,759.22, 963,836.63 and 237,671.54 is: 356,395.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,759.22 : 963,836.63 = 237,671.54 : x
  2. Step 2: Convert to fraction form
    642,759.22/963,836.63 = 237,671.54/x
  3. Step 3: Cross multiply
    642,759.22x = 963,836.63 × 237,671.54
  4. Step 4: Simplify right side
    642,759.22x = 229,076,536,160.51
  5. Step 5: Solve for x
    x = 229,076,536,160.51/642,759.22
  6. Step 6: Final answer
    x = 356,395.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.