Finding the Fourth Proportional to 163,853.96, 245,552.45 and 123,840.09
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Solution
The fourth proportional to 163,853.96, 245,552.45 and 123,840.09 is: 185,587.45
Step by Step Solution
- Step 1: Write the proportion equation
163,853.96 : 245,552.45 = 123,840.09 : x - Step 2: Convert to fraction form
163,853.96/245,552.45 = 123,840.09/x - Step 3: Cross multiply
163,853.96x = 245,552.45 × 123,840.09 - Step 4: Simplify right side
163,853.96x = 30,409,236,888.52 - Step 5: Solve for x
x = 30,409,236,888.52/163,853.96 - Step 6: Final answer
x = 185,587.45
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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.