Home / 664,285.30-996,525.15-214,929.70

Finding the Fourth Proportional to 664,285.30, 996,525.15 and 214,929.70

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Solution

The fourth proportional to 664,285.30, 996,525.15 and 214,929.70 is: 322,426.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,285.30 : 996,525.15 = 214,929.70 : x
  2. Step 2: Convert to fraction form
    664,285.30/996,525.15 = 214,929.70/x
  3. Step 3: Cross multiply
    664,285.30x = 996,525.15 × 214,929.70
  4. Step 4: Simplify right side
    664,285.30x = 214,182,851,531.96
  5. Step 5: Solve for x
    x = 214,182,851,531.96/664,285.30
  6. Step 6: Final answer
    x = 322,426.00

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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.