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Finding the Fourth Proportional to 255,237.84, 382,942.01 and 113,063.80

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Solution

The fourth proportional to 255,237.84, 382,942.01 and 113,063.80 is: 169,633.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,237.84 : 382,942.01 = 113,063.80 : x
  2. Step 2: Convert to fraction form
    255,237.84/382,942.01 = 113,063.80/x
  3. Step 3: Cross multiply
    255,237.84x = 382,942.01 × 113,063.80
  4. Step 4: Simplify right side
    255,237.84x = 43,296,878,830.24
  5. Step 5: Solve for x
    x = 43,296,878,830.24/255,237.84
  6. Step 6: Final answer
    x = 169,633.46

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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.