Finding the Fourth Proportional to 634,751.36, 952,122.93 and 161,432.63
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Solution
The fourth proportional to 634,751.36, 952,122.93 and 161,432.63 is: 242,147.90
Step by Step Solution
- Step 1: Write the proportion equation
634,751.36 : 952,122.93 = 161,432.63 : x - Step 2: Convert to fraction form
634,751.36/952,122.93 = 161,432.63/x - Step 3: Cross multiply
634,751.36x = 952,122.93 × 161,432.63 - Step 4: Simplify right side
634,751.36x = 153,703,708,673.21 - Step 5: Solve for x
x = 153,703,708,673.21/634,751.36 - Step 6: Final answer
x = 242,147.90
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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.