Home / 283,123.24-424,388.70-105,553

Finding the Fourth Proportional to 283,123.24, 424,388.70 and 105,553

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Solution

The fourth proportional to 283,123.24, 424,388.70 and 105,553 is: 158,219.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,123.24 : 424,388.70 = 105,553 : x
  2. Step 2: Convert to fraction form
    283,123.24/424,388.70 = 105,553/x
  3. Step 3: Cross multiply
    283,123.24x = 424,388.70 × 105,553
  4. Step 4: Simplify right side
    283,123.24x = 44,795,500,451.10
  5. Step 5: Solve for x
    x = 44,795,500,451.10/283,123.24
  6. Step 6: Final answer
    x = 158,219.09

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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.