Home / 275,774.37-380,527.18-154,892.50

Finding the Fourth Proportional to 275,774.37, 380,527.18 and 154,892.50

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Solution

The fourth proportional to 275,774.37, 380,527.18 and 154,892.50 is: 213,728.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,774.37 : 380,527.18 = 154,892.50 : x
  2. Step 2: Convert to fraction form
    275,774.37/380,527.18 = 154,892.50/x
  3. Step 3: Cross multiply
    275,774.37x = 380,527.18 × 154,892.50
  4. Step 4: Simplify right side
    275,774.37x = 58,940,807,901.34
  5. Step 5: Solve for x
    x = 58,940,807,901.34/275,774.37
  6. Step 6: Final answer
    x = 213,728.37

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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.