Finding the Fourth Proportional to 351,423.10, 484,961.84 and 190,274.82
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Solution
The fourth proportional to 351,423.10, 484,961.84 and 190,274.82 is: 262,578.15
Step by Step Solution
- Step 1: Write the proportion equation
351,423.10 : 484,961.84 = 190,274.82 : x - Step 2: Convert to fraction form
351,423.10/484,961.84 = 190,274.82/x - Step 3: Cross multiply
351,423.10x = 484,961.84 × 190,274.82 - Step 4: Simplify right side
351,423.10x = 92,276,026,812.87 - Step 5: Solve for x
x = 92,276,026,812.87/351,423.10 - Step 6: Final answer
x = 262,578.15
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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.