Finding the Fourth Proportional to 163,596.40, 245,740.20 and 157,721.20
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Solution
The fourth proportional to 163,596.40, 245,740.20 and 157,721.20 is: 236,914.99
Step by Step Solution
- Step 1: Write the proportion equation
163,596.40 : 245,740.20 = 157,721.20 : x - Step 2: Convert to fraction form
163,596.40/245,740.20 = 157,721.20/x - Step 3: Cross multiply
163,596.40x = 245,740.20 × 157,721.20 - Step 4: Simplify right side
163,596.40x = 38,758,439,232.24 - Step 5: Solve for x
x = 38,758,439,232.24/163,596.40 - Step 6: Final answer
x = 236,914.99
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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.