Finding the Fourth Proportional to 178,613.64, 246,473.28 and 98,028.36
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Solution
The fourth proportional to 178,613.64, 246,473.28 and 98,028.36 is: 135,271.70
Step by Step Solution
- Step 1: Write the proportion equation
178,613.64 : 246,473.28 = 98,028.36 : x - Step 2: Convert to fraction form
178,613.64/246,473.28 = 98,028.36/x - Step 3: Cross multiply
178,613.64x = 246,473.28 × 98,028.36 - Step 4: Simplify right side
178,613.64x = 24,161,371,422.22 - Step 5: Solve for x
x = 24,161,371,422.22/178,613.64 - Step 6: Final answer
x = 135,271.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.