Finding the Fourth Proportional to 209,698.08, 314,470.58 and 76,538.94
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Solution
The fourth proportional to 209,698.08, 314,470.58 and 76,538.94 is: 114,780.47
Step by Step Solution
- Step 1: Write the proportion equation
209,698.08 : 314,470.58 = 76,538.94 : x - Step 2: Convert to fraction form
209,698.08/314,470.58 = 76,538.94/x - Step 3: Cross multiply
209,698.08x = 314,470.58 × 76,538.94 - Step 4: Simplify right side
209,698.08x = 24,069,245,276.59 - Step 5: Solve for x
x = 24,069,245,276.59/209,698.08 - Step 6: Final answer
x = 114,780.47
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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.