Finding the Fourth Proportional to 305,475.08, 421,557.96 and 169,509.56
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Solution
The fourth proportional to 305,475.08, 421,557.96 and 169,509.56 is: 233,924.50
Step by Step Solution
- Step 1: Write the proportion equation
305,475.08 : 421,557.96 = 169,509.56 : x - Step 2: Convert to fraction form
305,475.08/421,557.96 = 169,509.56/x - Step 3: Cross multiply
305,475.08x = 421,557.96 × 169,509.56 - Step 4: Simplify right side
305,475.08x = 71,458,104,314.10 - Step 5: Solve for x
x = 71,458,104,314.10/305,475.08 - Step 6: Final answer
x = 233,924.50
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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.