Finding the Fourth Proportional to 352,136.87, 528,014.14 and 159,905.75
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Solution
The fourth proportional to 352,136.87, 528,014.14 and 159,905.75 is: 239,771.81
Step by Step Solution
- Step 1: Write the proportion equation
352,136.87 : 528,014.14 = 159,905.75 : x - Step 2: Convert to fraction form
352,136.87/528,014.14 = 159,905.75/x - Step 3: Cross multiply
352,136.87x = 528,014.14 × 159,905.75 - Step 4: Simplify right side
352,136.87x = 84,432,494,926.94 - Step 5: Solve for x
x = 84,432,494,926.94/352,136.87 - Step 6: Final answer
x = 239,771.81
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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.