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Finding the Fourth Proportional to 173,283.81, 259,334.31 and 145,235.53

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Solution

The fourth proportional to 173,283.81, 259,334.31 and 145,235.53 is: 217,357.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,283.81 : 259,334.31 = 145,235.53 : x
  2. Step 2: Convert to fraction form
    173,283.81/259,334.31 = 145,235.53/x
  3. Step 3: Cross multiply
    173,283.81x = 259,334.31 × 145,235.53
  4. Step 4: Simplify right side
    173,283.81x = 37,664,556,770.45
  5. Step 5: Solve for x
    x = 37,664,556,770.45/173,283.81
  6. Step 6: Final answer
    x = 217,357.62

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1.5x scale

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.