Home / 283,905.34-424,972.20-209,109.94

Finding the Fourth Proportional to 283,905.34, 424,972.20 and 209,109.94

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Solution

The fourth proportional to 283,905.34, 424,972.20 and 209,109.94 is: 313,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,905.34 : 424,972.20 = 209,109.94 : x
  2. Step 2: Convert to fraction form
    283,905.34/424,972.20 = 209,109.94/x
  3. Step 3: Cross multiply
    283,905.34x = 424,972.20 × 209,109.94
  4. Step 4: Simplify right side
    283,905.34x = 88,865,911,243.67
  5. Step 5: Solve for x
    x = 88,865,911,243.67/283,905.34
  6. Step 6: Final answer
    x = 313,012.47

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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.