Finding the Fourth Proportional to 372,004.60, 513,351.99 and 202,238.80
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Solution
The fourth proportional to 372,004.60, 513,351.99 and 202,238.80 is: 279,081.74
Step by Step Solution
- Step 1: Write the proportion equation
372,004.60 : 513,351.99 = 202,238.80 : x - Step 2: Convert to fraction form
372,004.60/513,351.99 = 202,238.80/x - Step 3: Cross multiply
372,004.60x = 513,351.99 × 202,238.80 - Step 4: Simplify right side
372,004.60x = 103,819,690,435.21 - Step 5: Solve for x
x = 103,819,690,435.21/372,004.60 - Step 6: Final answer
x = 279,081.74
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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.