Finding the Fourth Proportional to 199,425.36, 275,207.25 and 114,558.84
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Solution
The fourth proportional to 199,425.36, 275,207.25 and 114,558.84 is: 158,091.34
Step by Step Solution
- Step 1: Write the proportion equation
199,425.36 : 275,207.25 = 114,558.84 : x - Step 2: Convert to fraction form
199,425.36/275,207.25 = 114,558.84/x - Step 3: Cross multiply
199,425.36x = 275,207.25 × 114,558.84 - Step 4: Simplify right side
199,425.36x = 31,527,423,319.59 - Step 5: Solve for x
x = 31,527,423,319.59/199,425.36 - Step 6: Final answer
x = 158,091.34
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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.