Finding the Fourth Proportional to 140,862.87, 211,302.05 and 35,682.75
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Solution
The fourth proportional to 140,862.87, 211,302.05 and 35,682.75 is: 53,526.09
Step by Step Solution
- Step 1: Write the proportion equation
140,862.87 : 211,302.05 = 35,682.75 : x - Step 2: Convert to fraction form
140,862.87/211,302.05 = 35,682.75/x - Step 3: Cross multiply
140,862.87x = 211,302.05 × 35,682.75 - Step 4: Simplify right side
140,862.87x = 7,539,838,046.22 - Step 5: Solve for x
x = 7,539,838,046.22/140,862.87 - Step 6: Final answer
x = 53,526.09
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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.