Finding the Fourth Proportional to 212,649.08, 293,394.84 and 126,536.10
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Solution
The fourth proportional to 212,649.08, 293,394.84 and 126,536.10 is: 174,583.59
Step by Step Solution
- Step 1: Write the proportion equation
212,649.08 : 293,394.84 = 126,536.10 : x - Step 2: Convert to fraction form
212,649.08/293,394.84 = 126,536.10/x - Step 3: Cross multiply
212,649.08x = 293,394.84 × 126,536.10 - Step 4: Simplify right side
212,649.08x = 37,125,038,813.72 - Step 5: Solve for x
x = 37,125,038,813.72/212,649.08 - Step 6: Final answer
x = 174,583.59
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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.