Finding the Fourth Proportional to 417,678.86, 576,397.08 and 226,692.26
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Solution
The fourth proportional to 417,678.86, 576,397.08 and 226,692.26 is: 312,835.45
Step by Step Solution
- Step 1: Write the proportion equation
417,678.86 : 576,397.08 = 226,692.26 : x - Step 2: Convert to fraction form
417,678.86/576,397.08 = 226,692.26/x - Step 3: Cross multiply
417,678.86x = 576,397.08 × 226,692.26 - Step 4: Simplify right side
417,678.86x = 130,664,753,840.62 - Step 5: Solve for x
x = 130,664,753,840.62/417,678.86 - Step 6: Final answer
x = 312,835.45
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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.