Finding the Fourth Proportional to 163,010.70, 244,516.05 and 74,437.20
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Solution
The fourth proportional to 163,010.70, 244,516.05 and 74,437.20 is: 111,655.80
Step by Step Solution
- Step 1: Write the proportion equation
163,010.70 : 244,516.05 = 74,437.20 : x - Step 2: Convert to fraction form
163,010.70/244,516.05 = 74,437.20/x - Step 3: Cross multiply
163,010.70x = 244,516.05 × 74,437.20 - Step 4: Simplify right side
163,010.70x = 18,201,090,117.06 - Step 5: Solve for x
x = 18,201,090,117.06/163,010.70 - Step 6: Final answer
x = 111,655.80
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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.