Finding the Fourth Proportional to 372,274.48, 513,723.72 and 202,508.80
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Solution
The fourth proportional to 372,274.48, 513,723.72 and 202,508.80 is: 279,453.95
Step by Step Solution
- Step 1: Write the proportion equation
372,274.48 : 513,723.72 = 202,508.80 : x - Step 2: Convert to fraction form
372,274.48/513,723.72 = 202,508.80/x - Step 3: Cross multiply
372,274.48x = 513,723.72 × 202,508.80 - Step 4: Simplify right side
372,274.48x = 104,033,574,068.74 - Step 5: Solve for x
x = 104,033,574,068.74/372,274.48 - Step 6: Final answer
x = 279,453.95
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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.