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Finding the Fourth Proportional to 253,573.77, 349,506.63 and 202,422.54

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Solution

The fourth proportional to 253,573.77, 349,506.63 and 202,422.54 is: 279,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,573.77 : 349,506.63 = 202,422.54 : x
  2. Step 2: Convert to fraction form
    253,573.77/349,506.63 = 202,422.54/x
  3. Step 3: Cross multiply
    253,573.77x = 349,506.63 × 202,422.54
  4. Step 4: Simplify right side
    253,573.77x = 70,748,019,791.44
  5. Step 5: Solve for x
    x = 70,748,019,791.44/253,573.77
  6. Step 6: Final answer
    x = 279,003.70

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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.