Finding the Fourth Proportional to 467,100.16, 644,561.52 and 263,140
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Solution
The fourth proportional to 467,100.16, 644,561.52 and 263,140 is: 363,112.52
Step by Step Solution
- Step 1: Write the proportion equation
467,100.16 : 644,561.52 = 263,140 : x - Step 2: Convert to fraction form
467,100.16/644,561.52 = 263,140/x - Step 3: Cross multiply
467,100.16x = 644,561.52 × 263,140 - Step 4: Simplify right side
467,100.16x = 169,609,918,372.80 - Step 5: Solve for x
x = 169,609,918,372.80/467,100.16 - Step 6: Final answer
x = 363,112.52
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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.