Finding the Fourth Proportional to 612,219.82, 918,339.08 and 233,161.62
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Solution
The fourth proportional to 612,219.82, 918,339.08 and 233,161.62 is: 349,745.99
Step by Step Solution
- Step 1: Write the proportion equation
612,219.82 : 918,339.08 = 233,161.62 : x - Step 2: Convert to fraction form
612,219.82/918,339.08 = 233,161.62/x - Step 3: Cross multiply
612,219.82x = 918,339.08 × 233,161.62 - Step 4: Simplify right side
612,219.82x = 214,121,427,602.11 - Step 5: Solve for x
x = 214,121,427,602.11/612,219.82 - Step 6: Final answer
x = 349,745.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.