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Finding the Fourth Proportional to 245,649.91, 368,255.70 and 95,855.35

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Solution

The fourth proportional to 245,649.91, 368,255.70 and 95,855.35 is: 143,697.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,649.91 : 368,255.70 = 95,855.35 : x
  2. Step 2: Convert to fraction form
    245,649.91/368,255.70 = 95,855.35/x
  3. Step 3: Cross multiply
    245,649.91x = 368,255.70 × 95,855.35
  4. Step 4: Simplify right side
    245,649.91x = 35,299,279,013.00
  5. Step 5: Solve for x
    x = 35,299,279,013.00/245,649.91
  6. Step 6: Final answer
    x = 143,697.50

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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.