Finding the Fourth Proportional to 314,616.32, 471,639.28 and 156,893.12
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Solution
The fourth proportional to 314,616.32, 471,639.28 and 156,893.12 is: 235,197.46
Step by Step Solution
- Step 1: Write the proportion equation
314,616.32 : 471,639.28 = 156,893.12 : x - Step 2: Convert to fraction form
314,616.32/471,639.28 = 156,893.12/x - Step 3: Cross multiply
314,616.32x = 471,639.28 × 156,893.12 - Step 4: Simplify right side
314,616.32x = 73,996,958,153.75 - Step 5: Solve for x
x = 73,996,958,153.75/314,616.32 - Step 6: Final answer
x = 235,197.46
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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.