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Finding the Fourth Proportional to 362,692.48, 543,484.44 and 152,215.60

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Solution

The fourth proportional to 362,692.48, 543,484.44 and 152,215.60 is: 228,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,692.48 : 543,484.44 = 152,215.60 : x
  2. Step 2: Convert to fraction form
    362,692.48/543,484.44 = 152,215.60/x
  3. Step 3: Cross multiply
    362,692.48x = 543,484.44 × 152,215.60
  4. Step 4: Simplify right side
    362,692.48x = 82,726,810,125.26
  5. Step 5: Solve for x
    x = 82,726,810,125.26/362,692.48
  6. Step 6: Final answer
    x = 228,090.78

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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.