Finding the Fourth Proportional to 163,545.24, 245,112.66 and 69,940.92
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Solution
The fourth proportional to 163,545.24, 245,112.66 and 69,940.92 is: 104,823.63
Step by Step Solution
- Step 1: Write the proportion equation
163,545.24 : 245,112.66 = 69,940.92 : x - Step 2: Convert to fraction form
163,545.24/245,112.66 = 69,940.92/x - Step 3: Cross multiply
163,545.24x = 245,112.66 × 69,940.92 - Step 4: Simplify right side
163,545.24x = 17,143,404,944.05 - Step 5: Solve for x
x = 17,143,404,944.05/163,545.24 - Step 6: Final answer
x = 104,823.63
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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.