Home / 436,742.82-654,724.35-170,441.28

Finding the Fourth Proportional to 436,742.82, 654,724.35 and 170,441.28

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Solution

The fourth proportional to 436,742.82, 654,724.35 and 170,441.28 is: 255,509.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,742.82 : 654,724.35 = 170,441.28 : x
  2. Step 2: Convert to fraction form
    436,742.82/654,724.35 = 170,441.28/x
  3. Step 3: Cross multiply
    436,742.82x = 654,724.35 × 170,441.28
  4. Step 4: Simplify right side
    436,742.82x = 111,592,056,261.17
  5. Step 5: Solve for x
    x = 111,592,056,261.17/436,742.82
  6. Step 6: Final answer
    x = 255,509.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.