Finding the Fourth Proportional to 297,057.18, 445,578.39 and 86,696.94
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Solution
The fourth proportional to 297,057.18, 445,578.39 and 86,696.94 is: 130,043.26
Step by Step Solution
- Step 1: Write the proportion equation
297,057.18 : 445,578.39 = 86,696.94 : x - Step 2: Convert to fraction form
297,057.18/445,578.39 = 86,696.94/x - Step 3: Cross multiply
297,057.18x = 445,578.39 × 86,696.94 - Step 4: Simplify right side
297,057.18x = 38,630,282,943.13 - Step 5: Solve for x
x = 38,630,282,943.13/297,057.18 - Step 6: Final answer
x = 130,043.26
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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.