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Finding the Fourth Proportional to 253,575, 349,944.44 and 140,397.75

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Solution

The fourth proportional to 253,575, 349,944.44 and 140,397.75 is: 193,754.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,575 : 349,944.44 = 140,397.75 : x
  2. Step 2: Convert to fraction form
    253,575/349,944.44 = 140,397.75/x
  3. Step 3: Cross multiply
    253,575x = 349,944.44 × 140,397.75
  4. Step 4: Simplify right side
    253,575x = 49,131,411,299.02
  5. Step 5: Solve for x
    x = 49,131,411,299.02/253,575
  6. Step 6: Final answer
    x = 193,754.95

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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.