Finding the Fourth Proportional to 199,248.99, 274,961.85 and 108,604.95
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Solution
The fourth proportional to 199,248.99, 274,961.85 and 108,604.95 is: 149,873.87
Step by Step Solution
- Step 1: Write the proportion equation
199,248.99 : 274,961.85 = 108,604.95 : x - Step 2: Convert to fraction form
199,248.99/274,961.85 = 108,604.95/x - Step 3: Cross multiply
199,248.99x = 274,961.85 × 108,604.95 - Step 4: Simplify right side
199,248.99x = 29,862,217,971.16 - Step 5: Solve for x
x = 29,862,217,971.16/199,248.99 - Step 6: Final answer
x = 149,873.87
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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.