Finding the Fourth Proportional to 426,591.20, 588,692.40 and 235,617.68
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Solution
The fourth proportional to 426,591.20, 588,692.40 and 235,617.68 is: 325,150.49
Step by Step Solution
- Step 1: Write the proportion equation
426,591.20 : 588,692.40 = 235,617.68 : x - Step 2: Convert to fraction form
426,591.20/588,692.40 = 235,617.68/x - Step 3: Cross multiply
426,591.20x = 588,692.40 × 235,617.68 - Step 4: Simplify right side
426,591.20x = 138,706,337,521.63 - Step 5: Solve for x
x = 138,706,337,521.63/426,591.20 - Step 6: Final answer
x = 325,150.49
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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.