Finding the Fourth Proportional to 485,307.16, 728,160.74 and 201,054.94
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Solution
The fourth proportional to 485,307.16, 728,160.74 and 201,054.94 is: 301,665.27
Step by Step Solution
- Step 1: Write the proportion equation
485,307.16 : 728,160.74 = 201,054.94 : x - Step 2: Convert to fraction form
485,307.16/728,160.74 = 201,054.94/x - Step 3: Cross multiply
485,307.16x = 728,160.74 × 201,054.94 - Step 4: Simplify right side
485,307.16x = 146,400,313,891.06 - Step 5: Solve for x
x = 146,400,313,891.06/485,307.16 - Step 6: Final answer
x = 301,665.27
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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.