Home / 274,056.56-378,259.04-166,603.76

Finding the Fourth Proportional to 274,056.56, 378,259.04 and 166,603.76

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Solution

The fourth proportional to 274,056.56, 378,259.04 and 166,603.76 is: 229,950.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,056.56 : 378,259.04 = 166,603.76 : x
  2. Step 2: Convert to fraction form
    274,056.56/378,259.04 = 166,603.76/x
  3. Step 3: Cross multiply
    274,056.56x = 378,259.04 × 166,603.76
  4. Step 4: Simplify right side
    274,056.56x = 63,019,378,317.99
  5. Step 5: Solve for x
    x = 63,019,378,317.99/274,056.56
  6. Step 6: Final answer
    x = 229,950.26

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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.