Finding the Fourth Proportional to 406,976.24, 561,692.80 and 237,177.60
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Solution
The fourth proportional to 406,976.24, 561,692.80 and 237,177.60 is: 327,343.31
Step by Step Solution
- Step 1: Write the proportion equation
406,976.24 : 561,692.80 = 237,177.60 : x - Step 2: Convert to fraction form
406,976.24/561,692.80 = 237,177.60/x - Step 3: Cross multiply
406,976.24x = 561,692.80 × 237,177.60 - Step 4: Simplify right side
406,976.24x = 133,220,950,241.28 - Step 5: Solve for x
x = 133,220,950,241.28/406,976.24 - Step 6: Final answer
x = 327,343.31
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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.