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Finding the Fourth Proportional to 254,690.72, 382,095.84 and 250,459.28

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Solution

The fourth proportional to 254,690.72, 382,095.84 and 250,459.28 is: 375,747.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,690.72 : 382,095.84 = 250,459.28 : x
  2. Step 2: Convert to fraction form
    254,690.72/382,095.84 = 250,459.28/x
  3. Step 3: Cross multiply
    254,690.72x = 382,095.84 × 250,459.28
  4. Step 4: Simplify right side
    254,690.72x = 95,699,448,977.40
  5. Step 5: Solve for x
    x = 95,699,448,977.40/254,690.72
  6. Step 6: Final answer
    x = 375,747.69

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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.