Finding the Fourth Proportional to 372,348.68, 513,853.98 and 202,589.24
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Solution
The fourth proportional to 372,348.68, 513,853.98 and 202,589.24 is: 279,580.12
Step by Step Solution
- Step 1: Write the proportion equation
372,348.68 : 513,853.98 = 202,589.24 : x - Step 2: Convert to fraction form
372,348.68/513,853.98 = 202,589.24/x - Step 3: Cross multiply
372,348.68x = 513,853.98 × 202,589.24 - Step 4: Simplify right side
372,348.68x = 104,101,287,279.18 - Step 5: Solve for x
x = 104,101,287,279.18/372,348.68 - Step 6: Final answer
x = 279,580.12
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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.