Finding the Fourth Proportional to 170,715.90, 235,587.99 and 94,235.05
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Solution
The fourth proportional to 170,715.90, 235,587.99 and 94,235.05 is: 130,044.39
Step by Step Solution
- Step 1: Write the proportion equation
170,715.90 : 235,587.99 = 94,235.05 : x - Step 2: Convert to fraction form
170,715.90/235,587.99 = 94,235.05/x - Step 3: Cross multiply
170,715.90x = 235,587.99 × 94,235.05 - Step 4: Simplify right side
170,715.90x = 22,200,644,367.93 - Step 5: Solve for x
x = 22,200,644,367.93/170,715.90 - Step 6: Final answer
x = 130,044.39
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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.