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Finding the Fourth Proportional to 275,553.90, 380,261.00 and 154,692.07

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Solution

The fourth proportional to 275,553.90, 380,261.00 and 154,692.07 is: 213,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,553.90 : 380,261.00 = 154,692.07 : x
  2. Step 2: Convert to fraction form
    275,553.90/380,261.00 = 154,692.07/x
  3. Step 3: Cross multiply
    275,553.90x = 380,261.00 × 154,692.07
  4. Step 4: Simplify right side
    275,553.90x = 58,823,360,666.35
  5. Step 5: Solve for x
    x = 58,823,360,666.35/275,553.90
  6. Step 6: Final answer
    x = 213,473.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.