Finding the Fourth Proportional to 232,271.91, 347,817.42 and 212,785.74
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Solution
The fourth proportional to 232,271.91, 347,817.42 and 212,785.74 is: 318,637.70
Step by Step Solution
- Step 1: Write the proportion equation
232,271.91 : 347,817.42 = 212,785.74 : x - Step 2: Convert to fraction form
232,271.91/347,817.42 = 212,785.74/x - Step 3: Cross multiply
232,271.91x = 347,817.42 × 212,785.74 - Step 4: Simplify right side
232,271.91x = 74,010,587,099.59 - Step 5: Solve for x
x = 74,010,587,099.59/232,271.91 - Step 6: Final answer
x = 318,637.70
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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.