Finding the Fourth Proportional to 163,772.62, 245,265.26 and 93,438.70
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Solution
The fourth proportional to 163,772.62, 245,265.26 and 93,438.70 is: 139,933.44
Step by Step Solution
- Step 1: Write the proportion equation
163,772.62 : 245,265.26 = 93,438.70 : x - Step 2: Convert to fraction form
163,772.62/245,265.26 = 93,438.70/x - Step 3: Cross multiply
163,772.62x = 245,265.26 × 93,438.70 - Step 4: Simplify right side
163,772.62x = 22,917,265,356.04 - Step 5: Solve for x
x = 22,917,265,356.04/163,772.62 - Step 6: Final answer
x = 139,933.44
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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.