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Finding the Fourth Proportional to 253,642.21, 380,348.30 and 95,758.63

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Solution

The fourth proportional to 253,642.21, 380,348.30 and 95,758.63 is: 143,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,642.21 : 380,348.30 = 95,758.63 : x
  2. Step 2: Convert to fraction form
    253,642.21/380,348.30 = 95,758.63/x
  3. Step 3: Cross multiply
    253,642.21x = 380,348.30 × 95,758.63
  4. Step 4: Simplify right side
    253,642.21x = 36,421,631,652.04
  5. Step 5: Solve for x
    x = 36,421,631,652.04/253,642.21
  6. Step 6: Final answer
    x = 143,594.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.