Finding the Fourth Proportional to 372,193.85, 555,769.71 and 295,431.17
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Solution
The fourth proportional to 372,193.85, 555,769.71 and 295,431.17 is: 441,145.65
Step by Step Solution
- Step 1: Write the proportion equation
372,193.85 : 555,769.71 = 295,431.17 : x - Step 2: Convert to fraction form
372,193.85/555,769.71 = 295,431.17/x - Step 3: Cross multiply
372,193.85x = 555,769.71 × 295,431.17 - Step 4: Simplify right side
372,193.85x = 164,191,696,023.22 - Step 5: Solve for x
x = 164,191,696,023.22/372,193.85 - Step 6: Final answer
x = 441,145.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.