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Finding the Fourth Proportional to 253,370.63, 380,166.21 and 158,817.51

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Solution

The fourth proportional to 253,370.63, 380,166.21 and 158,817.51 is: 238,295.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,370.63 : 380,166.21 = 158,817.51 : x
  2. Step 2: Convert to fraction form
    253,370.63/380,166.21 = 158,817.51/x
  3. Step 3: Cross multiply
    253,370.63x = 380,166.21 × 158,817.51
  4. Step 4: Simplify right side
    253,370.63x = 60,377,050,858.34
  5. Step 5: Solve for x
    x = 60,377,050,858.34/253,370.63
  6. Step 6: Final answer
    x = 238,295.38

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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.