Finding the Fourth Proportional to 305,907.08, 422,157.30 and 171,775.88
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Solution
The fourth proportional to 305,907.08, 422,157.30 and 171,775.88 is: 237,053.82
Step by Step Solution
- Step 1: Write the proportion equation
305,907.08 : 422,157.30 = 171,775.88 : x - Step 2: Convert to fraction form
305,907.08/422,157.30 = 171,775.88/x - Step 3: Cross multiply
305,907.08x = 422,157.30 × 171,775.88 - Step 4: Simplify right side
305,907.08x = 72,516,441,705.92 - Step 5: Solve for x
x = 72,516,441,705.92/305,907.08 - Step 6: Final answer
x = 237,053.82
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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.