Finding the Fourth Proportional to 276,926.92, 382,177.16 and 154,433.12
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Solution
The fourth proportional to 276,926.92, 382,177.16 and 154,433.12 is: 213,127.75
Step by Step Solution
- Step 1: Write the proportion equation
276,926.92 : 382,177.16 = 154,433.12 : x - Step 2: Convert to fraction form
276,926.92/382,177.16 = 154,433.12/x - Step 3: Cross multiply
276,926.92x = 382,177.16 × 154,433.12 - Step 4: Simplify right side
276,926.92x = 59,020,811,211.54 - Step 5: Solve for x
x = 59,020,811,211.54/276,926.92 - Step 6: Final answer
x = 213,127.75
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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.