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Finding the Fourth Proportional to 235,594.48, 325,114.56 and 134,986

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Solution

The fourth proportional to 235,594.48, 325,114.56 and 134,986 is: 186,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,594.48 : 325,114.56 = 134,986 : x
  2. Step 2: Convert to fraction form
    235,594.48/325,114.56 = 134,986/x
  3. Step 3: Cross multiply
    235,594.48x = 325,114.56 × 134,986
  4. Step 4: Simplify right side
    235,594.48x = 43,885,913,996.16
  5. Step 5: Solve for x
    x = 43,885,913,996.16/235,594.48
  6. Step 6: Final answer
    x = 186,277.34

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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.