Finding the Fourth Proportional to 372,007.60, 513,356.13 and 202,241.80
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Solution
The fourth proportional to 372,007.60, 513,356.13 and 202,241.80 is: 279,085.88
Step by Step Solution
- Step 1: Write the proportion equation
372,007.60 : 513,356.13 = 202,241.80 : x - Step 2: Convert to fraction form
372,007.60/513,356.13 = 202,241.80/x - Step 3: Cross multiply
372,007.60x = 513,356.13 × 202,241.80 - Step 4: Simplify right side
372,007.60x = 103,822,067,772.23 - Step 5: Solve for x
x = 103,822,067,772.23/372,007.60 - Step 6: Final answer
x = 279,085.88
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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.