Finding the Fourth Proportional to 205,118.73, 309,318.35 and 202,312.08
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Solution
The fourth proportional to 205,118.73, 309,318.35 and 202,312.08 is: 305,085.93
Step by Step Solution
- Step 1: Write the proportion equation
205,118.73 : 309,318.35 = 202,312.08 : x - Step 2: Convert to fraction form
205,118.73/309,318.35 = 202,312.08/x - Step 3: Cross multiply
205,118.73x = 309,318.35 × 202,312.08 - Step 4: Simplify right side
205,118.73x = 62,578,837,759.11 - Step 5: Solve for x
x = 62,578,837,759.11/205,118.73 - Step 6: Final answer
x = 305,085.93
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.