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Finding the Fourth Proportional to 286,662.90, 395,594.37 and 159,350.34

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Solution

The fourth proportional to 286,662.90, 395,594.37 and 159,350.34 is: 219,903.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,662.90 : 395,594.37 = 159,350.34 : x
  2. Step 2: Convert to fraction form
    286,662.90/395,594.37 = 159,350.34/x
  3. Step 3: Cross multiply
    286,662.90x = 395,594.37 × 159,350.34
  4. Step 4: Simplify right side
    286,662.90x = 63,038,097,361.59
  5. Step 5: Solve for x
    x = 63,038,097,361.59/286,662.90
  6. Step 6: Final answer
    x = 219,903.23

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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.