Finding the Fourth Proportional to 163,840.68, 226,137.02 and 107,219.25
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Solution
The fourth proportional to 163,840.68, 226,137.02 and 107,219.25 is: 147,986.70
Step by Step Solution
- Step 1: Write the proportion equation
163,840.68 : 226,137.02 = 107,219.25 : x - Step 2: Convert to fraction form
163,840.68/226,137.02 = 107,219.25/x - Step 3: Cross multiply
163,840.68x = 226,137.02 × 107,219.25 - Step 4: Simplify right side
163,840.68x = 24,246,241,145.54 - Step 5: Solve for x
x = 24,246,241,145.54/163,840.68 - Step 6: Final answer
x = 147,986.70
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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.