Home / 460,693.18-691,240.56-161,388.46

Finding the Fourth Proportional to 460,693.18, 691,240.56 and 161,388.46

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Solution

The fourth proportional to 460,693.18, 691,240.56 and 161,388.46 is: 242,153.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,693.18 : 691,240.56 = 161,388.46 : x
  2. Step 2: Convert to fraction form
    460,693.18/691,240.56 = 161,388.46/x
  3. Step 3: Cross multiply
    460,693.18x = 691,240.56 × 161,388.46
  4. Step 4: Simplify right side
    460,693.18x = 111,558,249,467.94
  5. Step 5: Solve for x
    x = 111,558,249,467.94/460,693.18
  6. Step 6: Final answer
    x = 242,153.03

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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.