Finding the Fourth Proportional to 163,138.80, 244,513.80 and 68,368.80
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Solution
The fourth proportional to 163,138.80, 244,513.80 and 68,368.80 is: 102,471.73
Step by Step Solution
- Step 1: Write the proportion equation
163,138.80 : 244,513.80 = 68,368.80 : x - Step 2: Convert to fraction form
163,138.80/244,513.80 = 68,368.80/x - Step 3: Cross multiply
163,138.80x = 244,513.80 × 68,368.80 - Step 4: Simplify right side
163,138.80x = 16,717,115,089.44 - Step 5: Solve for x
x = 16,717,115,089.44/163,138.80 - Step 6: Final answer
x = 102,471.73
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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.