Finding the Fourth Proportional to 170,616.88, 235,450.62 and 94,140.74
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Solution
The fourth proportional to 170,616.88, 235,450.62 and 94,140.74 is: 129,913.85
Step by Step Solution
- Step 1: Write the proportion equation
170,616.88 : 235,450.62 = 94,140.74 : x - Step 2: Convert to fraction form
170,616.88/235,450.62 = 94,140.74/x - Step 3: Cross multiply
170,616.88x = 235,450.62 × 94,140.74 - Step 4: Simplify right side
170,616.88x = 22,165,495,600.26 - Step 5: Solve for x
x = 22,165,495,600.26/170,616.88 - Step 6: Final answer
x = 129,913.85
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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.