Home / 305,500.38-421,571.46-184,570.20

Finding the Fourth Proportional to 305,500.38, 421,571.46 and 184,570.20

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Solution

The fourth proportional to 305,500.38, 421,571.46 and 184,570.20 is: 254,695.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,500.38 : 421,571.46 = 184,570.20 : x
  2. Step 2: Convert to fraction form
    305,500.38/421,571.46 = 184,570.20/x
  3. Step 3: Cross multiply
    305,500.38x = 421,571.46 × 184,570.20
  4. Step 4: Simplify right side
    305,500.38x = 77,809,528,686.49
  5. Step 5: Solve for x
    x = 77,809,528,686.49/305,500.38
  6. Step 6: Final answer
    x = 254,695.36

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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.