Finding the Fourth Proportional to 372,345.58, 513,842.16 and 202,579.84
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Solution
The fourth proportional to 372,345.58, 513,842.16 and 202,579.84 is: 279,563.04
Step by Step Solution
- Step 1: Write the proportion equation
372,345.58 : 513,842.16 = 202,579.84 : x - Step 2: Convert to fraction form
372,345.58/513,842.16 = 202,579.84/x - Step 3: Cross multiply
372,345.58x = 513,842.16 × 202,579.84 - Step 4: Simplify right side
372,345.58x = 104,094,062,558.05 - Step 5: Solve for x
x = 104,094,062,558.05/372,345.58 - Step 6: Final answer
x = 279,563.04
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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.