Finding the Fourth Proportional to 372,347.68, 513,852.60 and 202,588.24
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Solution
The fourth proportional to 372,347.68, 513,852.60 and 202,588.24 is: 279,578.74
Step by Step Solution
- Step 1: Write the proportion equation
372,347.68 : 513,852.60 = 202,588.24 : x - Step 2: Convert to fraction form
372,347.68/513,852.60 = 202,588.24/x - Step 3: Cross multiply
372,347.68x = 513,852.60 × 202,588.24 - Step 4: Simplify right side
372,347.68x = 104,100,493,853.42 - Step 5: Solve for x
x = 104,100,493,853.42/372,347.68 - Step 6: Final answer
x = 279,578.74
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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.