Finding the Fourth Proportional to 372,107.17, 513,546.02 and 219,193.49
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Solution
The fourth proportional to 372,107.17, 513,546.02 and 219,193.49 is: 302,509.48
Step by Step Solution
- Step 1: Write the proportion equation
372,107.17 : 513,546.02 = 219,193.49 : x - Step 2: Convert to fraction form
372,107.17/513,546.02 = 219,193.49/x - Step 3: Cross multiply
372,107.17x = 513,546.02 × 219,193.49 - Step 4: Simplify right side
372,107.17x = 112,565,946,642.25 - Step 5: Solve for x
x = 112,565,946,642.25/372,107.17 - Step 6: Final answer
x = 302,509.48
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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.