Finding the Fourth Proportional to 163,076.80, 244,420.80 and 68,306.80
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Solution
The fourth proportional to 163,076.80, 244,420.80 and 68,306.80 is: 102,378.77
Step by Step Solution
- Step 1: Write the proportion equation
163,076.80 : 244,420.80 = 68,306.80 : x - Step 2: Convert to fraction form
163,076.80/244,420.80 = 68,306.80/x - Step 3: Cross multiply
163,076.80x = 244,420.80 × 68,306.80 - Step 4: Simplify right side
163,076.80x = 16,695,602,701.44 - Step 5: Solve for x
x = 16,695,602,701.44/163,076.80 - Step 6: Final answer
x = 102,378.77
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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.