Finding the Fourth Proportional to 178,969.48, 246,972.66 and 98,396.92
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Solution
The fourth proportional to 178,969.48, 246,972.66 and 98,396.92 is: 135,784.88
Step by Step Solution
- Step 1: Write the proportion equation
178,969.48 : 246,972.66 = 98,396.92 : x - Step 2: Convert to fraction form
178,969.48/246,972.66 = 98,396.92/x - Step 3: Cross multiply
178,969.48x = 246,972.66 × 98,396.92 - Step 4: Simplify right side
178,969.48x = 24,301,349,068.21 - Step 5: Solve for x
x = 24,301,349,068.21/178,969.48 - Step 6: Final answer
x = 135,784.88
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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.