Finding the Fourth Proportional to 403,896.70, 605,845.05 and 204,831.10
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Solution
The fourth proportional to 403,896.70, 605,845.05 and 204,831.10 is: 307,246.65
Step by Step Solution
- Step 1: Write the proportion equation
403,896.70 : 605,845.05 = 204,831.10 : x - Step 2: Convert to fraction form
403,896.70/605,845.05 = 204,831.10/x - Step 3: Cross multiply
403,896.70x = 605,845.05 × 204,831.10 - Step 4: Simplify right side
403,896.70x = 124,095,908,021.06 - Step 5: Solve for x
x = 124,095,908,021.06/403,896.70 - Step 6: Final answer
x = 307,246.65
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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.