Finding the Fourth Proportional to 341,907.20, 512,860.80 and 307,692.80
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Solution
The fourth proportional to 341,907.20, 512,860.80 and 307,692.80 is: 461,539.20
Step by Step Solution
- Step 1: Write the proportion equation
341,907.20 : 512,860.80 = 307,692.80 : x - Step 2: Convert to fraction form
341,907.20/512,860.80 = 307,692.80/x - Step 3: Cross multiply
341,907.20x = 512,860.80 × 307,692.80 - Step 4: Simplify right side
341,907.20x = 157,803,575,562.24 - Step 5: Solve for x
x = 157,803,575,562.24/341,907.20 - Step 6: Final answer
x = 461,539.20
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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.