Finding the Fourth Proportional to 309,732.24, 427,378.68 and 182,433.18
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Solution
The fourth proportional to 309,732.24, 427,378.68 and 182,433.18 is: 251,727.27
Step by Step Solution
- Step 1: Write the proportion equation
309,732.24 : 427,378.68 = 182,433.18 : x - Step 2: Convert to fraction form
309,732.24/427,378.68 = 182,433.18/x - Step 3: Cross multiply
309,732.24x = 427,378.68 × 182,433.18 - Step 4: Simplify right side
309,732.24x = 77,968,051,656.60 - Step 5: Solve for x
x = 77,968,051,656.60/309,732.24 - Step 6: Final answer
x = 251,727.27
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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.