Finding the Fourth Proportional to 372,419.96, 513,849.94 and 219,464.42
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Solution
The fourth proportional to 372,419.96, 513,849.94 and 219,464.42 is: 302,808.09
Step by Step Solution
- Step 1: Write the proportion equation
372,419.96 : 513,849.94 = 219,464.42 : x - Step 2: Convert to fraction form
372,419.96/513,849.94 = 219,464.42/x - Step 3: Cross multiply
372,419.96x = 513,849.94 × 219,464.42 - Step 4: Simplify right side
372,419.96x = 112,771,775,931.22 - Step 5: Solve for x
x = 112,771,775,931.22/372,419.96 - Step 6: Final answer
x = 302,808.09
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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.