Finding the Fourth Proportional to 825,518.99, 1,238,195.57 and 226,540.40
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Solution
The fourth proportional to 825,518.99, 1,238,195.57 and 226,540.40 is: 339,787.84
Step by Step Solution
- Step 1: Write the proportion equation
825,518.99 : 1,238,195.57 = 226,540.40 : x - Step 2: Convert to fraction form
825,518.99/1,238,195.57 = 226,540.40/x - Step 3: Cross multiply
825,518.99x = 1,238,195.57 × 226,540.40 - Step 4: Simplify right side
825,518.99x = 280,501,312,382.35 - Step 5: Solve for x
x = 280,501,312,382.35/825,518.99 - Step 6: Final answer
x = 339,787.84
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1.5x scale
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.