Finding the Fourth Proportional to 433,128.20, 649,692.30 and 183,777.80
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Solution
The fourth proportional to 433,128.20, 649,692.30 and 183,777.80 is: 275,666.70
Step by Step Solution
- Step 1: Write the proportion equation
433,128.20 : 649,692.30 = 183,777.80 : x - Step 2: Convert to fraction form
433,128.20/649,692.30 = 183,777.80/x - Step 3: Cross multiply
433,128.20x = 649,692.30 × 183,777.80 - Step 4: Simplify right side
433,128.20x = 119,399,021,570.94 - Step 5: Solve for x
x = 119,399,021,570.94/433,128.20 - Step 6: Final answer
x = 275,666.70
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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.