Finding the Fourth Proportional to 353,371.19, 487,658.09 and 192,227.11
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Solution
The fourth proportional to 353,371.19, 487,658.09 and 192,227.11 is: 265,276.59
Step by Step Solution
- Step 1: Write the proportion equation
353,371.19 : 487,658.09 = 192,227.11 : x - Step 2: Convert to fraction form
353,371.19/487,658.09 = 192,227.11/x - Step 3: Cross multiply
353,371.19x = 487,658.09 × 192,227.11 - Step 4: Simplify right side
353,371.19x = 93,741,104,570.24 - Step 5: Solve for x
x = 93,741,104,570.24/353,371.19 - Step 6: Final answer
x = 265,276.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.