Finding the Fourth Proportional to 282,378.15, 423,619.74 and 92,849.09
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Solution
The fourth proportional to 282,378.15, 423,619.74 and 92,849.09 is: 139,290.90
Step by Step Solution
- Step 1: Write the proportion equation
282,378.15 : 423,619.74 = 92,849.09 : x - Step 2: Convert to fraction form
282,378.15/423,619.74 = 92,849.09/x - Step 3: Cross multiply
282,378.15x = 423,619.74 × 92,849.09 - Step 4: Simplify right side
282,378.15x = 39,332,705,246.94 - Step 5: Solve for x
x = 39,332,705,246.94/282,378.15 - Step 6: Final answer
x = 139,290.90
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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.