Finding the Fourth Proportional to 305,246.52, 421,261.44 and 169,292.88
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Solution
The fourth proportional to 305,246.52, 421,261.44 and 169,292.88 is: 233,635.96
Step by Step Solution
- Step 1: Write the proportion equation
305,246.52 : 421,261.44 = 169,292.88 : x - Step 2: Convert to fraction form
305,246.52/421,261.44 = 169,292.88/x - Step 3: Cross multiply
305,246.52x = 421,261.44 × 169,292.88 - Step 4: Simplify right side
305,246.52x = 71,316,562,410.55 - Step 5: Solve for x
x = 71,316,562,410.55/305,246.52 - Step 6: Final answer
x = 233,635.96
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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.