Finding the Fourth Proportional to 372,006.60, 513,354.75 and 202,240.80
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Solution
The fourth proportional to 372,006.60, 513,354.75 and 202,240.80 is: 279,084.50
Step by Step Solution
- Step 1: Write the proportion equation
372,006.60 : 513,354.75 = 202,240.80 : x - Step 2: Convert to fraction form
372,006.60/513,354.75 = 202,240.80/x - Step 3: Cross multiply
372,006.60x = 513,354.75 × 202,240.80 - Step 4: Simplify right side
372,006.60x = 103,821,275,323.80 - Step 5: Solve for x
x = 103,821,275,323.80/372,006.60 - Step 6: Final answer
x = 279,084.50
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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.