Finding the Fourth Proportional to 205,307.94, 283,162.32 and 124,733.19
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Solution
The fourth proportional to 205,307.94, 283,162.32 and 124,733.19 is: 172,032.99
Step by Step Solution
- Step 1: Write the proportion equation
205,307.94 : 283,162.32 = 124,733.19 : x - Step 2: Convert to fraction form
205,307.94/283,162.32 = 124,733.19/x - Step 3: Cross multiply
205,307.94x = 283,162.32 × 124,733.19 - Step 4: Simplify right side
205,307.94x = 35,319,739,461.40 - Step 5: Solve for x
x = 35,319,739,461.40/205,307.94 - Step 6: Final answer
x = 172,032.99
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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.