Finding the Fourth Proportional to 98,797.20, 148,195.80 and 27,719.70
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Solution
The fourth proportional to 98,797.20, 148,195.80 and 27,719.70 is: 41,579.55
Step by Step Solution
- Step 1: Write the proportion equation
98,797.20 : 148,195.80 = 27,719.70 : x - Step 2: Convert to fraction form
98,797.20/148,195.80 = 27,719.70/x - Step 3: Cross multiply
98,797.20x = 148,195.80 × 27,719.70 - Step 4: Simplify right side
98,797.20x = 4,107,943,117.26 - Step 5: Solve for x
x = 4,107,943,117.26/98,797.20 - Step 6: Final answer
x = 41,579.55
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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.