Finding the Fourth Proportional to 276,662.18, 381,788.62 and 169,224.32
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Solution
The fourth proportional to 276,662.18, 381,788.62 and 169,224.32 is: 233,526.38
Step by Step Solution
- Step 1: Write the proportion equation
276,662.18 : 381,788.62 = 169,224.32 : x - Step 2: Convert to fraction form
276,662.18/381,788.62 = 169,224.32/x - Step 3: Cross multiply
276,662.18x = 381,788.62 × 169,224.32 - Step 4: Simplify right side
276,662.18x = 64,607,917,271.23 - Step 5: Solve for x
x = 64,607,917,271.23/276,662.18 - Step 6: Final answer
x = 233,526.38
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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.