Finding the Fourth Proportional to 185,319.14, 278,286.14 and 115,641.32
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Solution
The fourth proportional to 185,319.14, 278,286.14 and 115,641.32 is: 173,653.82
Step by Step Solution
- Step 1: Write the proportion equation
185,319.14 : 278,286.14 = 115,641.32 : x - Step 2: Convert to fraction form
185,319.14/278,286.14 = 115,641.32/x - Step 3: Cross multiply
185,319.14x = 278,286.14 × 115,641.32 - Step 4: Simplify right side
185,319.14x = 32,181,375,464.98 - Step 5: Solve for x
x = 32,181,375,464.98/185,319.14 - Step 6: Final answer
x = 173,653.82
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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.