Finding the Fourth Proportional to 246,688.11, 340,435.19 and 144,787.07
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Solution
The fourth proportional to 246,688.11, 340,435.19 and 144,787.07 is: 199,809.45
Step by Step Solution
- Step 1: Write the proportion equation
246,688.11 : 340,435.19 = 144,787.07 : x - Step 2: Convert to fraction form
246,688.11/340,435.19 = 144,787.07/x - Step 3: Cross multiply
246,688.11x = 340,435.19 × 144,787.07 - Step 4: Simplify right side
246,688.11x = 49,290,614,898.05 - Step 5: Solve for x
x = 49,290,614,898.05/246,688.11 - Step 6: Final answer
x = 199,809.45
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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.