Finding the Fourth Proportional to 205,533.11, 283,671.78 and 119,518.70
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Solution
The fourth proportional to 205,533.11, 283,671.78 and 119,518.70 is: 164,956.79
Step by Step Solution
- Step 1: Write the proportion equation
205,533.11 : 283,671.78 = 119,518.70 : x - Step 2: Convert to fraction form
205,533.11/283,671.78 = 119,518.70/x - Step 3: Cross multiply
205,533.11x = 283,671.78 × 119,518.70 - Step 4: Simplify right side
205,533.11x = 33,904,082,372.29 - Step 5: Solve for x
x = 33,904,082,372.29/205,533.11 - Step 6: Final answer
x = 164,956.79
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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.