Finding the Fourth Proportional to 399,751.78, 552,110.97 and 272,205.94
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Solution
The fourth proportional to 399,751.78, 552,110.97 and 272,205.94 is: 375,953.01
Step by Step Solution
- Step 1: Write the proportion equation
399,751.78 : 552,110.97 = 272,205.94 : x - Step 2: Convert to fraction form
399,751.78/552,110.97 = 272,205.94/x - Step 3: Cross multiply
399,751.78x = 552,110.97 × 272,205.94 - Step 4: Simplify right side
399,751.78x = 150,287,885,573.16 - Step 5: Solve for x
x = 150,287,885,573.16/399,751.78 - Step 6: Final answer
x = 375,953.01
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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.