Finding the Fourth Proportional to 372,349.68, 513,855.36 and 202,590.24
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Solution
The fourth proportional to 372,349.68, 513,855.36 and 202,590.24 is: 279,581.50
Step by Step Solution
- Step 1: Write the proportion equation
372,349.68 : 513,855.36 = 202,590.24 : x - Step 2: Convert to fraction form
372,349.68/513,855.36 = 202,590.24/x - Step 3: Cross multiply
372,349.68x = 513,855.36 × 202,590.24 - Step 4: Simplify right side
372,349.68x = 104,102,080,707.69 - Step 5: Solve for x
x = 104,102,080,707.69/372,349.68 - Step 6: Final answer
x = 279,581.50
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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.