Finding the Fourth Proportional to 372,346.58, 513,843.54 and 202,580.84
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Solution
The fourth proportional to 372,346.58, 513,843.54 and 202,580.84 is: 279,564.42
Step by Step Solution
- Step 1: Write the proportion equation
372,346.58 : 513,843.54 = 202,580.84 : x - Step 2: Convert to fraction form
372,346.58/513,843.54 = 202,580.84/x - Step 3: Cross multiply
372,346.58x = 513,843.54 × 202,580.84 - Step 4: Simplify right side
372,346.58x = 104,094,855,961.77 - Step 5: Solve for x
x = 104,094,855,961.77/372,346.58 - Step 6: Final answer
x = 279,564.42
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1.5x scale
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.