Finding the Fourth Proportional to 372,447.08, 513,975.02 and 202,682.42
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Solution
The fourth proportional to 372,447.08, 513,975.02 and 202,682.42 is: 279,700.68
Step by Step Solution
- Step 1: Write the proportion equation
372,447.08 : 513,975.02 = 202,682.42 : x - Step 2: Convert to fraction form
372,447.08/513,975.02 = 202,682.42/x - Step 3: Cross multiply
372,447.08x = 513,975.02 × 202,682.42 - Step 4: Simplify right side
372,447.08x = 104,173,700,873.15 - Step 5: Solve for x
x = 104,173,700,873.15/372,447.08 - Step 6: Final answer
x = 279,700.68
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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.