Finding the Fourth Proportional to 374,140.68, 561,266.37 and 137,464.92
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Solution
The fourth proportional to 374,140.68, 561,266.37 and 137,464.92 is: 206,217.72
Step by Step Solution
- Step 1: Write the proportion equation
374,140.68 : 561,266.37 = 137,464.92 : x - Step 2: Convert to fraction form
374,140.68/561,266.37 = 137,464.92/x - Step 3: Cross multiply
374,140.68x = 561,266.37 × 137,464.92 - Step 4: Simplify right side
374,140.68x = 77,154,436,650.74 - Step 5: Solve for x
x = 77,154,436,650.74/374,140.68 - Step 6: Final answer
x = 206,217.72
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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.