Finding the Fourth Proportional to 223,513.20, 335,658.60 and 118,537.20
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Solution
The fourth proportional to 223,513.20, 335,658.60 and 118,537.20 is: 178,011.99
Step by Step Solution
- Step 1: Write the proportion equation
223,513.20 : 335,658.60 = 118,537.20 : x - Step 2: Convert to fraction form
223,513.20/335,658.60 = 118,537.20/x - Step 3: Cross multiply
223,513.20x = 335,658.60 × 118,537.20 - Step 4: Simplify right side
223,513.20x = 39,788,030,599.92 - Step 5: Solve for x
x = 39,788,030,599.92/223,513.20 - Step 6: Final answer
x = 178,011.99
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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.