Finding the Fourth Proportional to 251,091.75, 346,641.55 and 193,605.09
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Solution
The fourth proportional to 251,091.75, 346,641.55 and 193,605.09 is: 267,279.06
Step by Step Solution
- Step 1: Write the proportion equation
251,091.75 : 346,641.55 = 193,605.09 : x - Step 2: Convert to fraction form
251,091.75/346,641.55 = 193,605.09/x - Step 3: Cross multiply
251,091.75x = 346,641.55 × 193,605.09 - Step 4: Simplify right side
251,091.75x = 67,111,567,246.09 - Step 5: Solve for x
x = 67,111,567,246.09/251,091.75 - Step 6: Final answer
x = 267,279.06
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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.