Finding the Fourth Proportional to 341,433.76, 471,135.12 and 190,537.12
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Solution
The fourth proportional to 341,433.76, 471,135.12 and 190,537.12 is: 262,916.97
Step by Step Solution
- Step 1: Write the proportion equation
341,433.76 : 471,135.12 = 190,537.12 : x - Step 2: Convert to fraction form
341,433.76/471,135.12 = 190,537.12/x - Step 3: Cross multiply
341,433.76x = 471,135.12 × 190,537.12 - Step 4: Simplify right side
341,433.76x = 89,768,728,895.65 - Step 5: Solve for x
x = 89,768,728,895.65/341,433.76 - Step 6: Final answer
x = 262,916.97
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1.5x scale
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.