Home / 283,220.78-424,830.08-105,772.46

Finding the Fourth Proportional to 283,220.78, 424,830.08 and 105,772.46

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Solution

The fourth proportional to 283,220.78, 424,830.08 and 105,772.46 is: 158,658.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,220.78 : 424,830.08 = 105,772.46 : x
  2. Step 2: Convert to fraction form
    283,220.78/424,830.08 = 105,772.46/x
  3. Step 3: Cross multiply
    283,220.78x = 424,830.08 × 105,772.46
  4. Step 4: Simplify right side
    283,220.78x = 44,935,320,783.88
  5. Step 5: Solve for x
    x = 44,935,320,783.88/283,220.78
  6. Step 6: Final answer
    x = 158,658.28

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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.