Finding the Fourth Proportional to 98,743.68, 147,792.96 and 53,697.60
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Solution
The fourth proportional to 98,743.68, 147,792.96 and 53,697.60 is: 80,370.99
Step by Step Solution
- Step 1: Write the proportion equation
98,743.68 : 147,792.96 = 53,697.60 : x - Step 2: Convert to fraction form
98,743.68/147,792.96 = 53,697.60/x - Step 3: Cross multiply
98,743.68x = 147,792.96 × 53,697.60 - Step 4: Simplify right side
98,743.68x = 7,936,127,248.90 - Step 5: Solve for x
x = 7,936,127,248.90/98,743.68 - Step 6: Final answer
x = 80,370.99
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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.