Finding the Fourth Proportional to 296,943.36, 409,246.38 and 216,243.06
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Solution
The fourth proportional to 296,943.36, 409,246.38 and 216,243.06 is: 298,025.49
Step by Step Solution
- Step 1: Write the proportion equation
296,943.36 : 409,246.38 = 216,243.06 : x - Step 2: Convert to fraction form
296,943.36/409,246.38 = 216,243.06/x - Step 3: Cross multiply
296,943.36x = 409,246.38 × 216,243.06 - Step 4: Simplify right side
296,943.36x = 88,496,689,505.12 - Step 5: Solve for x
x = 88,496,689,505.12/296,943.36 - Step 6: Final answer
x = 298,025.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.