Home / 323,985.17-446,947.13-210,766.61

Finding the Fourth Proportional to 323,985.17, 446,947.13 and 210,766.61

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Solution

The fourth proportional to 323,985.17, 446,947.13 and 210,766.61 is: 290,758.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,985.17 : 446,947.13 = 210,766.61 : x
  2. Step 2: Convert to fraction form
    323,985.17/446,947.13 = 210,766.61/x
  3. Step 3: Cross multiply
    323,985.17x = 446,947.13 × 210,766.61
  4. Step 4: Simplify right side
    323,985.17x = 94,201,530,385.50
  5. Step 5: Solve for x
    x = 94,201,530,385.50/323,985.17
  6. Step 6: Final answer
    x = 290,758.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.