Finding the Fourth Proportional to 282,367.65, 423,427.14 and 132,650.49
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Solution
The fourth proportional to 282,367.65, 423,427.14 and 132,650.49 is: 198,917.32
Step by Step Solution
- Step 1: Write the proportion equation
282,367.65 : 423,427.14 = 132,650.49 : x - Step 2: Convert to fraction form
282,367.65/423,427.14 = 132,650.49/x - Step 3: Cross multiply
282,367.65x = 423,427.14 × 132,650.49 - Step 4: Simplify right side
282,367.65x = 56,167,816,937.05 - Step 5: Solve for x
x = 56,167,816,937.05/282,367.65 - Step 6: Final answer
x = 198,917.32
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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.