Finding the Fourth Proportional to 320,548.74, 442,329.71 and 177,273.12
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Solution
The fourth proportional to 320,548.74, 442,329.71 and 177,273.12 is: 244,621.67
Step by Step Solution
- Step 1: Write the proportion equation
320,548.74 : 442,329.71 = 177,273.12 : x - Step 2: Convert to fraction form
320,548.74/442,329.71 = 177,273.12/x - Step 3: Cross multiply
320,548.74x = 442,329.71 × 177,273.12 - Step 4: Simplify right side
320,548.74x = 78,413,166,874.03 - Step 5: Solve for x
x = 78,413,166,874.03/320,548.74 - Step 6: Final answer
x = 244,621.67
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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.