Finding the Fourth Proportional to 163,840.80, 245,566.80 and 84,914.40
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Solution
The fourth proportional to 163,840.80, 245,566.80 and 84,914.40 is: 127,270.85
Step by Step Solution
- Step 1: Write the proportion equation
163,840.80 : 245,566.80 = 84,914.40 : x - Step 2: Convert to fraction form
163,840.80/245,566.80 = 84,914.40/x - Step 3: Cross multiply
163,840.80x = 245,566.80 × 84,914.40 - Step 4: Simplify right side
163,840.80x = 20,852,157,481.92 - Step 5: Solve for x
x = 20,852,157,481.92/163,840.80 - Step 6: Final answer
x = 127,270.85
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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.