Finding the Fourth Proportional to 170,349.95, 235,082.93 and 98,771.49
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Solution
The fourth proportional to 170,349.95, 235,082.93 and 98,771.49 is: 136,304.66
Step by Step Solution
- Step 1: Write the proportion equation
170,349.95 : 235,082.93 = 98,771.49 : x - Step 2: Convert to fraction form
170,349.95/235,082.93 = 98,771.49/x - Step 3: Cross multiply
170,349.95x = 235,082.93 × 98,771.49 - Step 4: Simplify right side
170,349.95x = 23,219,490,928.89 - Step 5: Solve for x
x = 23,219,490,928.89/170,349.95 - Step 6: Final answer
x = 136,304.66
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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.