Finding the Fourth Proportional to 340,780.70, 511,170.97 and 91,462.70
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Solution
The fourth proportional to 340,780.70, 511,170.97 and 91,462.70 is: 137,194.03
Step by Step Solution
- Step 1: Write the proportion equation
340,780.70 : 511,170.97 = 91,462.70 : x - Step 2: Convert to fraction form
340,780.70/511,170.97 = 91,462.70/x - Step 3: Cross multiply
340,780.70x = 511,170.97 × 91,462.70 - Step 4: Simplify right side
340,780.70x = 46,753,077,077.82 - Step 5: Solve for x
x = 46,753,077,077.82/340,780.70 - Step 6: Final answer
x = 137,194.03
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1.5x scale
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.