Home / 337,021.21-505,688.10-147,456.58

Finding the Fourth Proportional to 337,021.21, 505,688.10 and 147,456.58

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Solution

The fourth proportional to 337,021.21, 505,688.10 and 147,456.58 is: 221,253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,021.21 : 505,688.10 = 147,456.58 : x
  2. Step 2: Convert to fraction form
    337,021.21/505,688.10 = 147,456.58/x
  3. Step 3: Cross multiply
    337,021.21x = 505,688.10 × 147,456.58
  4. Step 4: Simplify right side
    337,021.21x = 74,567,037,772.70
  5. Step 5: Solve for x
    x = 74,567,037,772.70/337,021.21
  6. Step 6: Final answer
    x = 221,253.25

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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.