Finding the Fourth Proportional to 205,515.68, 283,699.08 and 124,969.08
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Solution
The fourth proportional to 205,515.68, 283,699.08 and 124,969.08 is: 172,510.50
Step by Step Solution
- Step 1: Write the proportion equation
205,515.68 : 283,699.08 = 124,969.08 : x - Step 2: Convert to fraction form
205,515.68/283,699.08 = 124,969.08/x - Step 3: Cross multiply
205,515.68x = 283,699.08 × 124,969.08 - Step 4: Simplify right side
205,515.68x = 35,453,613,024.45 - Step 5: Solve for x
x = 35,453,613,024.45/205,515.68 - Step 6: Final answer
x = 172,510.50
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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.