Finding the Fourth Proportional to 322,319.82, 444,937.74 and 217,566.48
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Solution
The fourth proportional to 322,319.82, 444,937.74 and 217,566.48 is: 300,333.80
Step by Step Solution
- Step 1: Write the proportion equation
322,319.82 : 444,937.74 = 217,566.48 : x - Step 2: Convert to fraction form
322,319.82/444,937.74 = 217,566.48/x - Step 3: Cross multiply
322,319.82x = 444,937.74 × 217,566.48 - Step 4: Simplify right side
322,319.82x = 96,803,537,910.96 - Step 5: Solve for x
x = 96,803,537,910.96/322,319.82 - Step 6: Final answer
x = 300,333.80
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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.