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Finding the Fourth Proportional to 275,777.42, 380,552.37 and 154,938.83

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Solution

The fourth proportional to 275,777.42, 380,552.37 and 154,938.83 is: 213,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,777.42 : 380,552.37 = 154,938.83 : x
  2. Step 2: Convert to fraction form
    275,777.42/380,552.37 = 154,938.83/x
  3. Step 3: Cross multiply
    275,777.42x = 380,552.37 × 154,938.83
  4. Step 4: Simplify right side
    275,777.42x = 58,962,337,058.77
  5. Step 5: Solve for x
    x = 58,962,337,058.77/275,777.42
  6. Step 6: Final answer
    x = 213,804.08

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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.