Finding the Fourth Proportional to 172,180.84, 258,271.26 and 61,295.08
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Solution
The fourth proportional to 172,180.84, 258,271.26 and 61,295.08 is: 91,942.62
Step by Step Solution
- Step 1: Write the proportion equation
172,180.84 : 258,271.26 = 61,295.08 : x - Step 2: Convert to fraction form
172,180.84/258,271.26 = 61,295.08/x - Step 3: Cross multiply
172,180.84x = 258,271.26 × 61,295.08 - Step 4: Simplify right side
172,180.84x = 15,830,757,543.40 - Step 5: Solve for x
x = 15,830,757,543.40/172,180.84 - Step 6: Final answer
x = 91,942.62
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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.