Finding the Fourth Proportional to 163,967.80, 245,951.70 and 53,159.80
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Solution
The fourth proportional to 163,967.80, 245,951.70 and 53,159.80 is: 79,739.70
Step by Step Solution
- Step 1: Write the proportion equation
163,967.80 : 245,951.70 = 53,159.80 : x - Step 2: Convert to fraction form
163,967.80/245,951.70 = 53,159.80/x - Step 3: Cross multiply
163,967.80x = 245,951.70 × 53,159.80 - Step 4: Simplify right side
163,967.80x = 13,074,743,181.66 - Step 5: Solve for x
x = 13,074,743,181.66/163,967.80 - Step 6: Final answer
x = 79,739.70
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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.