Finding the Fourth Proportional to 276,231.94, 414,346.72 and 76,551.76
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Solution
The fourth proportional to 276,231.94, 414,346.72 and 76,551.76 is: 114,827.31
Step by Step Solution
- Step 1: Write the proportion equation
276,231.94 : 414,346.72 = 76,551.76 : x - Step 2: Convert to fraction form
276,231.94/414,346.72 = 76,551.76/x - Step 3: Cross multiply
276,231.94x = 414,346.72 × 76,551.76 - Step 4: Simplify right side
276,231.94x = 31,718,970,666.23 - Step 5: Solve for x
x = 31,718,970,666.23/276,231.94 - Step 6: Final answer
x = 114,827.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.