Finding the Fourth Proportional to 306,359.16, 422,603.08 and 183,819.84
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Solution
The fourth proportional to 306,359.16, 422,603.08 and 183,819.84 is: 253,567.84
Step by Step Solution
- Step 1: Write the proportion equation
306,359.16 : 422,603.08 = 183,819.84 : x - Step 2: Convert to fraction form
306,359.16/422,603.08 = 183,819.84/x - Step 3: Cross multiply
306,359.16x = 422,603.08 × 183,819.84 - Step 4: Simplify right side
306,359.16x = 77,682,831,217.73 - Step 5: Solve for x
x = 77,682,831,217.73/306,359.16 - Step 6: Final answer
x = 253,567.84
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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.