Finding the Fourth Proportional to 351,264.52, 484,756.79 and 215,272.20
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Solution
The fourth proportional to 351,264.52, 484,756.79 and 215,272.20 is: 297,082.84
Step by Step Solution
- Step 1: Write the proportion equation
351,264.52 : 484,756.79 = 215,272.20 : x - Step 2: Convert to fraction form
351,264.52/484,756.79 = 215,272.20/x - Step 3: Cross multiply
351,264.52x = 484,756.79 × 215,272.20 - Step 4: Simplify right side
351,264.52x = 104,354,660,648.24 - Step 5: Solve for x
x = 104,354,660,648.24/351,264.52 - Step 6: Final answer
x = 297,082.84
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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.