Finding the Fourth Proportional to 163,993.05, 245,884.28 and 69,197.31
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Solution
The fourth proportional to 163,993.05, 245,884.28 and 69,197.31 is: 103,751.53
Step by Step Solution
- Step 1: Write the proportion equation
163,993.05 : 245,884.28 = 69,197.31 : x - Step 2: Convert to fraction form
163,993.05/245,884.28 = 69,197.31/x - Step 3: Cross multiply
163,993.05x = 245,884.28 × 69,197.31 - Step 4: Simplify right side
163,993.05x = 17,014,530,401.30 - Step 5: Solve for x
x = 17,014,530,401.30/163,993.05 - Step 6: Final answer
x = 103,751.53
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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.