Finding the Fourth Proportional to 163,690.68, 245,539.26 and 51,374.58
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Solution
The fourth proportional to 163,690.68, 245,539.26 and 51,374.58 is: 77,062.89
Step by Step Solution
- Step 1: Write the proportion equation
163,690.68 : 245,539.26 = 51,374.58 : x - Step 2: Convert to fraction form
163,690.68/245,539.26 = 51,374.58/x - Step 3: Cross multiply
163,690.68x = 245,539.26 × 51,374.58 - Step 4: Simplify right side
163,690.68x = 12,614,476,356.01 - Step 5: Solve for x
x = 12,614,476,356.01/163,690.68 - Step 6: Final answer
x = 77,062.89
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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.