Finding the Fourth Proportional to 163,070.80, 244,606.20 and 74,497.30
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Solution
The fourth proportional to 163,070.80, 244,606.20 and 74,497.30 is: 111,745.95
Step by Step Solution
- Step 1: Write the proportion equation
163,070.80 : 244,606.20 = 74,497.30 : x - Step 2: Convert to fraction form
163,070.80/244,606.20 = 74,497.30/x - Step 3: Cross multiply
163,070.80x = 244,606.20 × 74,497.30 - Step 4: Simplify right side
163,070.80x = 18,222,501,463.26 - Step 5: Solve for x
x = 18,222,501,463.26/163,070.80 - Step 6: Final answer
x = 111,745.95
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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.