Finding the Fourth Proportional to 913,326, 1,369,883.68 and 239,460.82
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Solution
The fourth proportional to 913,326, 1,369,883.68 and 239,460.82 is: 359,163.62
Step by Step Solution
- Step 1: Write the proportion equation
913,326 : 1,369,883.68 = 239,460.82 : x - Step 2: Convert to fraction form
913,326/1,369,883.68 = 239,460.82/x - Step 3: Cross multiply
913,326x = 1,369,883.68 × 239,460.82 - Step 4: Simplify right side
913,326x = 328,033,469,317.42 - Step 5: Solve for x
x = 328,033,469,317.42/913,326 - Step 6: Final answer
x = 359,163.62
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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.