Finding the Fourth Proportional to 205,099.84, 283,037.84 and 113,219.18
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Solution
The fourth proportional to 205,099.84, 283,037.84 and 113,219.18 is: 156,242.50
Step by Step Solution
- Step 1: Write the proportion equation
205,099.84 : 283,037.84 = 113,219.18 : x - Step 2: Convert to fraction form
205,099.84/283,037.84 = 113,219.18/x - Step 3: Cross multiply
205,099.84x = 283,037.84 × 113,219.18 - Step 4: Simplify right side
205,099.84x = 32,045,312,153.77 - Step 5: Solve for x
x = 32,045,312,153.77/205,099.84 - Step 6: Final answer
x = 156,242.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.