Finding the Fourth Proportional to 100,651.59, 150,890.99 and 56,241.99
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Solution
The fourth proportional to 100,651.59, 150,890.99 and 56,241.99 is: 84,314.71
Step by Step Solution
- Step 1: Write the proportion equation
100,651.59 : 150,890.99 = 56,241.99 : x - Step 2: Convert to fraction form
100,651.59/150,890.99 = 56,241.99/x - Step 3: Cross multiply
100,651.59x = 150,890.99 × 56,241.99 - Step 4: Simplify right side
100,651.59x = 8,486,409,269.46 - Step 5: Solve for x
x = 8,486,409,269.46/100,651.59 - Step 6: Final answer
x = 84,314.71
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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.