Finding the Fourth Proportional to 147,608.40, 221,412.60 and 125,519.70
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Solution
The fourth proportional to 147,608.40, 221,412.60 and 125,519.70 is: 188,279.55
Step by Step Solution
- Step 1: Write the proportion equation
147,608.40 : 221,412.60 = 125,519.70 : x - Step 2: Convert to fraction form
147,608.40/221,412.60 = 125,519.70/x - Step 3: Cross multiply
147,608.40x = 221,412.60 × 125,519.70 - Step 4: Simplify right side
147,608.40x = 27,791,643,128.22 - Step 5: Solve for x
x = 27,791,643,128.22/147,608.40 - Step 6: Final answer
x = 188,279.55
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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.