Finding the Fourth Proportional to 205,893.30, 308,862.99 and 65,620.02
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Solution
The fourth proportional to 205,893.30, 308,862.99 and 65,620.02 is: 98,437.37
Step by Step Solution
- Step 1: Write the proportion equation
205,893.30 : 308,862.99 = 65,620.02 : x - Step 2: Convert to fraction form
205,893.30/308,862.99 = 65,620.02/x - Step 3: Cross multiply
205,893.30x = 308,862.99 × 65,620.02 - Step 4: Simplify right side
205,893.30x = 20,267,595,581.06 - Step 5: Solve for x
x = 20,267,595,581.06/205,893.30 - Step 6: Final answer
x = 98,437.37
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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.