Finding the Fourth Proportional to 208,977.62, 311,264.38 and 204,603.62
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Solution
The fourth proportional to 208,977.62, 311,264.38 and 204,603.62 is: 304,749.47
Step by Step Solution
- Step 1: Write the proportion equation
208,977.62 : 311,264.38 = 204,603.62 : x - Step 2: Convert to fraction form
208,977.62/311,264.38 = 204,603.62/x - Step 3: Cross multiply
208,977.62x = 311,264.38 × 204,603.62 - Step 4: Simplify right side
208,977.62x = 63,685,818,925.06 - Step 5: Solve for x
x = 63,685,818,925.06/208,977.62 - Step 6: Final answer
x = 304,749.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.