Home / 380,435.72-570,764.68-170,024.45

Finding the Fourth Proportional to 380,435.72, 570,764.68 and 170,024.45

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Solution

The fourth proportional to 380,435.72, 570,764.68 and 170,024.45 is: 255,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,435.72 : 570,764.68 = 170,024.45 : x
  2. Step 2: Convert to fraction form
    380,435.72/570,764.68 = 170,024.45/x
  3. Step 3: Cross multiply
    380,435.72x = 570,764.68 × 170,024.45
  4. Step 4: Simplify right side
    380,435.72x = 97,043,947,517.54
  5. Step 5: Solve for x
    x = 97,043,947,517.54/380,435.72
  6. Step 6: Final answer
    x = 255,086.32

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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.