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Finding the Fourth Proportional to 253,573, 349,941.68 and 140,395.75

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Solution

The fourth proportional to 253,573, 349,941.68 and 140,395.75 is: 193,752.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,573 : 349,941.68 = 140,395.75 : x
  2. Step 2: Convert to fraction form
    253,573/349,941.68 = 140,395.75/x
  3. Step 3: Cross multiply
    253,573x = 349,941.68 × 140,395.75
  4. Step 4: Simplify right side
    253,573x = 49,130,323,917.88
  5. Step 5: Solve for x
    x = 49,130,323,917.88/253,573
  6. Step 6: Final answer
    x = 193,752.19

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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.