Finding the Fourth Proportional to 150,108.93, 207,175.73 and 86,435.01
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Solution
The fourth proportional to 150,108.93, 207,175.73 and 86,435.01 is: 119,294.94
Step by Step Solution
- Step 1: Write the proportion equation
150,108.93 : 207,175.73 = 86,435.01 : x - Step 2: Convert to fraction form
150,108.93/207,175.73 = 86,435.01/x - Step 3: Cross multiply
150,108.93x = 207,175.73 × 86,435.01 - Step 4: Simplify right side
150,108.93x = 17,907,235,862.13 - Step 5: Solve for x
x = 17,907,235,862.13/150,108.93 - Step 6: Final answer
x = 119,294.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.