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Finding the Fourth Proportional to 449,347.50, 620,104.52 and 245,404.44

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Solution

The fourth proportional to 449,347.50, 620,104.52 and 245,404.44 is: 338,660.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,347.50 : 620,104.52 = 245,404.44 : x
  2. Step 2: Convert to fraction form
    449,347.50/620,104.52 = 245,404.44/x
  3. Step 3: Cross multiply
    449,347.50x = 620,104.52 × 245,404.44
  4. Step 4: Simplify right side
    449,347.50x = 152,176,403,085.58
  5. Step 5: Solve for x
    x = 152,176,403,085.58/449,347.50
  6. Step 6: Final answer
    x = 338,660.84

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1.5x scale

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.