Finding the Fourth Proportional to 170,944.74, 235,855.70 and 98,343.84
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Solution
The fourth proportional to 170,944.74, 235,855.70 and 98,343.84 is: 135,686.86
Step by Step Solution
- Step 1: Write the proportion equation
170,944.74 : 235,855.70 = 98,343.84 : x - Step 2: Convert to fraction form
170,944.74/235,855.70 = 98,343.84/x - Step 3: Cross multiply
170,944.74x = 235,855.70 × 98,343.84 - Step 4: Simplify right side
170,944.74x = 23,194,955,223.89 - Step 5: Solve for x
x = 23,194,955,223.89/170,944.74 - Step 6: Final answer
x = 135,686.86
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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.