Home / 253,941.44-349,641.20-215,620.34

Finding the Fourth Proportional to 253,941.44, 349,641.20 and 215,620.34

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Solution

The fourth proportional to 253,941.44, 349,641.20 and 215,620.34 is: 296,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,941.44 : 349,641.20 = 215,620.34 : x
  2. Step 2: Convert to fraction form
    253,941.44/349,641.20 = 215,620.34/x
  3. Step 3: Cross multiply
    253,941.44x = 349,641.20 × 215,620.34
  4. Step 4: Simplify right side
    253,941.44x = 75,389,754,422.01
  5. Step 5: Solve for x
    x = 75,389,754,422.01/253,941.44
  6. Step 6: Final answer
    x = 296,878.50

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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.