Finding the Fourth Proportional to 203,204.26, 304,993.50 and 103,435.75
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Solution
The fourth proportional to 203,204.26, 304,993.50 and 103,435.75 is: 155,248.87
Step by Step Solution
- Step 1: Write the proportion equation
203,204.26 : 304,993.50 = 103,435.75 : x - Step 2: Convert to fraction form
203,204.26/304,993.50 = 103,435.75/x - Step 3: Cross multiply
203,204.26x = 304,993.50 × 103,435.75 - Step 4: Simplify right side
203,204.26x = 31,547,231,417.63 - Step 5: Solve for x
x = 31,547,231,417.63/203,204.26 - Step 6: Final answer
x = 155,248.87
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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.