Finding the Fourth Proportional to 351,421.10, 484,959.08 and 190,272.82
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Solution
The fourth proportional to 351,421.10, 484,959.08 and 190,272.82 is: 262,575.39
Step by Step Solution
- Step 1: Write the proportion equation
351,421.10 : 484,959.08 = 190,272.82 : x - Step 2: Convert to fraction form
351,421.10/484,959.08 = 190,272.82/x - Step 3: Cross multiply
351,421.10x = 484,959.08 × 190,272.82 - Step 4: Simplify right side
351,421.10x = 92,274,531,736.21 - Step 5: Solve for x
x = 92,274,531,736.21/351,421.10 - Step 6: Final answer
x = 262,575.39
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1.5x scale
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.