Finding the Fourth Proportional to 451,678.68, 623,316.51 and 250,474.68
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Solution
The fourth proportional to 451,678.68, 623,316.51 and 250,474.68 is: 345,655.02
Step by Step Solution
- Step 1: Write the proportion equation
451,678.68 : 623,316.51 = 250,474.68 : x - Step 2: Convert to fraction form
451,678.68/623,316.51 = 250,474.68/x - Step 3: Cross multiply
451,678.68x = 623,316.51 × 250,474.68 - Step 4: Simplify right side
451,678.68x = 156,125,003,380.97 - Step 5: Solve for x
x = 156,125,003,380.97/451,678.68 - Step 6: Final answer
x = 345,655.02
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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.