Finding the Fourth Proportional to 190,860.14, 286,201.36 and 70,833.50
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Solution
The fourth proportional to 190,860.14, 286,201.36 and 70,833.50 is: 106,217.28
Step by Step Solution
- Step 1: Write the proportion equation
190,860.14 : 286,201.36 = 70,833.50 : x - Step 2: Convert to fraction form
190,860.14/286,201.36 = 70,833.50/x - Step 3: Cross multiply
190,860.14x = 286,201.36 × 70,833.50 - Step 4: Simplify right side
190,860.14x = 20,272,644,033.56 - Step 5: Solve for x
x = 20,272,644,033.56/190,860.14 - Step 6: Final answer
x = 106,217.28
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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.