Finding the Fourth Proportional to 239,745.16, 359,617.82 and 81,975.08
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Solution
The fourth proportional to 239,745.16, 359,617.82 and 81,975.08 is: 122,962.65
Step by Step Solution
- Step 1: Write the proportion equation
239,745.16 : 359,617.82 = 81,975.08 : x - Step 2: Convert to fraction form
239,745.16/359,617.82 = 81,975.08/x - Step 3: Cross multiply
239,745.16x = 359,617.82 × 81,975.08 - Step 4: Simplify right side
239,745.16x = 29,479,699,563.93 - Step 5: Solve for x
x = 29,479,699,563.93/239,745.16 - Step 6: Final answer
x = 122,962.65
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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.