Finding the Fourth Proportional to 170,416.05, 235,164.65 and 93,920.19
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Solution
The fourth proportional to 170,416.05, 235,164.65 and 93,920.19 is: 129,604.62
Step by Step Solution
- Step 1: Write the proportion equation
170,416.05 : 235,164.65 = 93,920.19 : x - Step 2: Convert to fraction form
170,416.05/235,164.65 = 93,920.19/x - Step 3: Cross multiply
170,416.05x = 235,164.65 × 93,920.19 - Step 4: Simplify right side
170,416.05x = 22,086,708,139.68 - Step 5: Solve for x
x = 22,086,708,139.68/170,416.05 - Step 6: Final answer
x = 129,604.62
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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.