Finding the Fourth Proportional to 485,984.90, 729,302.74 and 201,675.75
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Solution
The fourth proportional to 485,984.90, 729,302.74 and 201,675.75 is: 302,648.65
Step by Step Solution
- Step 1: Write the proportion equation
485,984.90 : 729,302.74 = 201,675.75 : x - Step 2: Convert to fraction form
485,984.90/729,302.74 = 201,675.75/x - Step 3: Cross multiply
485,984.90x = 729,302.74 × 201,675.75 - Step 4: Simplify right side
485,984.90x = 147,082,673,827.48 - Step 5: Solve for x
x = 147,082,673,827.48/485,984.90 - Step 6: Final answer
x = 302,648.65
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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.