Finding the Fourth Proportional to 302,107.80, 453,147.30 and 102,408.60
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Solution
The fourth proportional to 302,107.80, 453,147.30 and 102,408.60 is: 153,608.02
Step by Step Solution
- Step 1: Write the proportion equation
302,107.80 : 453,147.30 = 102,408.60 : x - Step 2: Convert to fraction form
302,107.80/453,147.30 = 102,408.60/x - Step 3: Cross multiply
302,107.80x = 453,147.30 × 102,408.60 - Step 4: Simplify right side
302,107.80x = 46,406,180,586.78 - Step 5: Solve for x
x = 46,406,180,586.78/302,107.80 - Step 6: Final answer
x = 153,608.02
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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.