Finding the Fourth Proportional to 485,127.71, 726,887.10 and 295,012.99
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Solution
The fourth proportional to 485,127.71, 726,887.10 and 295,012.99 is: 442,030.29
Step by Step Solution
- Step 1: Write the proportion equation
485,127.71 : 726,887.10 = 295,012.99 : x - Step 2: Convert to fraction form
485,127.71/726,887.10 = 295,012.99/x - Step 3: Cross multiply
485,127.71x = 726,887.10 × 295,012.99 - Step 4: Simplify right side
485,127.71x = 214,441,139,163.26 - Step 5: Solve for x
x = 214,441,139,163.26/485,127.71 - Step 6: Final answer
x = 442,030.29
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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.