Home / 260,954.36-391,429.46-155,072.12

Finding the Fourth Proportional to 260,954.36, 391,429.46 and 155,072.12

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Solution

The fourth proportional to 260,954.36, 391,429.46 and 155,072.12 is: 232,606.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,954.36 : 391,429.46 = 155,072.12 : x
  2. Step 2: Convert to fraction form
    260,954.36/391,429.46 = 155,072.12/x
  3. Step 3: Cross multiply
    260,954.36x = 391,429.46 × 155,072.12
  4. Step 4: Simplify right side
    260,954.36x = 60,699,796,192.66
  5. Step 5: Solve for x
    x = 60,699,796,192.66/260,954.36
  6. Step 6: Final answer
    x = 232,606.94

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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.