Finding the Fourth Proportional to 288,374.08, 397,952.04 and 161,051.44
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Solution
The fourth proportional to 288,374.08, 397,952.04 and 161,051.44 is: 222,248.65
Step by Step Solution
- Step 1: Write the proportion equation
288,374.08 : 397,952.04 = 161,051.44 : x - Step 2: Convert to fraction form
288,374.08/397,952.04 = 161,051.44/x - Step 3: Cross multiply
288,374.08x = 397,952.04 × 161,051.44 - Step 4: Simplify right side
288,374.08x = 64,090,749,092.94 - Step 5: Solve for x
x = 64,090,749,092.94/288,374.08 - Step 6: Final answer
x = 222,248.65
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1.5x scale
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.