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Finding the Fourth Proportional to 239,612.55, 359,357.31 and 71,093.01

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Solution

The fourth proportional to 239,612.55, 359,357.31 and 71,093.01 is: 106,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,612.55 : 359,357.31 = 71,093.01 : x
  2. Step 2: Convert to fraction form
    239,612.55/359,357.31 = 71,093.01/x
  3. Step 3: Cross multiply
    239,612.55x = 359,357.31 × 71,093.01
  4. Step 4: Simplify right side
    239,612.55x = 25,547,792,833.40
  5. Step 5: Solve for x
    x = 25,547,792,833.40/239,612.55
  6. Step 6: Final answer
    x = 106,621.26

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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.