Finding the Fourth Proportional to 305,383.96, 458,075.95 and 165,415.96
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Solution
The fourth proportional to 305,383.96, 458,075.95 and 165,415.96 is: 248,123.94
Step by Step Solution
- Step 1: Write the proportion equation
305,383.96 : 458,075.95 = 165,415.96 : x - Step 2: Convert to fraction form
305,383.96/458,075.95 = 165,415.96/x - Step 3: Cross multiply
305,383.96x = 458,075.95 × 165,415.96 - Step 4: Simplify right side
305,383.96x = 75,773,073,181.22 - Step 5: Solve for x
x = 75,773,073,181.22/305,383.96 - Step 6: Final answer
x = 248,123.94
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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.