Finding the Fourth Proportional to 304,415.21, 456,625.96 and 135,944.12
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Solution
The fourth proportional to 304,415.21, 456,625.96 and 135,944.12 is: 203,917.59
Step by Step Solution
- Step 1: Write the proportion equation
304,415.21 : 456,625.96 = 135,944.12 : x - Step 2: Convert to fraction form
304,415.21/456,625.96 = 135,944.12/x - Step 3: Cross multiply
304,415.21x = 456,625.96 × 135,944.12 - Step 4: Simplify right side
304,415.21x = 62,075,615,103.06 - Step 5: Solve for x
x = 62,075,615,103.06/304,415.21 - Step 6: Final answer
x = 203,917.59
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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.