Finding the Fourth Proportional to 170,397.09, 235,158.26 and 93,916.08
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Solution
The fourth proportional to 170,397.09, 235,158.26 and 93,916.08 is: 129,609.85
Step by Step Solution
- Step 1: Write the proportion equation
170,397.09 : 235,158.26 = 93,916.08 : x - Step 2: Convert to fraction form
170,397.09/235,158.26 = 93,916.08/x - Step 3: Cross multiply
170,397.09x = 235,158.26 × 93,916.08 - Step 4: Simplify right side
170,397.09x = 22,085,141,489.24 - Step 5: Solve for x
x = 22,085,141,489.24/170,397.09 - Step 6: Final answer
x = 129,609.85
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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.