Finding the Fourth Proportional to 247,291.20, 370,936.80 and 163,091.70
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Solution
The fourth proportional to 247,291.20, 370,936.80 and 163,091.70 is: 244,637.55
Step by Step Solution
- Step 1: Write the proportion equation
247,291.20 : 370,936.80 = 163,091.70 : x - Step 2: Convert to fraction form
247,291.20/370,936.80 = 163,091.70/x - Step 3: Cross multiply
247,291.20x = 370,936.80 × 163,091.70 - Step 4: Simplify right side
247,291.20x = 60,496,713,304.56 - Step 5: Solve for x
x = 60,496,713,304.56/247,291.20 - Step 6: Final answer
x = 244,637.55
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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.