Finding the Fourth Proportional to 199,170.08, 274,670.08 and 145,369.88
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Solution
The fourth proportional to 199,170.08, 274,670.08 and 145,369.88 is: 200,475.68
Step by Step Solution
- Step 1: Write the proportion equation
199,170.08 : 274,670.08 = 145,369.88 : x - Step 2: Convert to fraction form
199,170.08/274,670.08 = 145,369.88/x - Step 3: Cross multiply
199,170.08x = 274,670.08 × 145,369.88 - Step 4: Simplify right side
199,170.08x = 39,928,756,569.19 - Step 5: Solve for x
x = 39,928,756,569.19/199,170.08 - Step 6: Final answer
x = 200,475.68
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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.