Finding the Fourth Proportional to 185,318.91, 278,285.90 and 115,641.09
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Solution
The fourth proportional to 185,318.91, 278,285.90 and 115,641.09 is: 173,653.54
Step by Step Solution
- Step 1: Write the proportion equation
185,318.91 : 278,285.90 = 115,641.09 : x - Step 2: Convert to fraction form
185,318.91/278,285.90 = 115,641.09/x - Step 3: Cross multiply
185,318.91x = 278,285.90 × 115,641.09 - Step 4: Simplify right side
185,318.91x = 32,181,284,229.43 - Step 5: Solve for x
x = 32,181,284,229.43/185,318.91 - Step 6: Final answer
x = 173,653.54
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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.