Finding the Fourth Proportional to 276,916.86, 382,153.14 and 154,412.06
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Solution
The fourth proportional to 276,916.86, 382,153.14 and 154,412.06 is: 213,093.03
Step by Step Solution
- Step 1: Write the proportion equation
276,916.86 : 382,153.14 = 154,412.06 : x - Step 2: Convert to fraction form
276,916.86/382,153.14 = 154,412.06/x - Step 3: Cross multiply
276,916.86x = 382,153.14 × 154,412.06 - Step 4: Simplify right side
276,916.86x = 59,009,051,672.10 - Step 5: Solve for x
x = 59,009,051,672.10/276,916.86 - Step 6: Final answer
x = 213,093.03
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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.