Finding the Fourth Proportional to 417,186.72, 625,804.99 and 117,692.87
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Solution
The fourth proportional to 417,186.72, 625,804.99 and 117,692.87 is: 176,546.32
Step by Step Solution
- Step 1: Write the proportion equation
417,186.72 : 625,804.99 = 117,692.87 : x - Step 2: Convert to fraction form
417,186.72/625,804.99 = 117,692.87/x - Step 3: Cross multiply
417,186.72x = 625,804.99 × 117,692.87 - Step 4: Simplify right side
417,186.72x = 73,652,781,910.16 - Step 5: Solve for x
x = 73,652,781,910.16/417,186.72 - Step 6: Final answer
x = 176,546.32
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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.