Finding the Fourth Proportional to 219,562.43, 302,992.21 and 124,067.07
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Solution
The fourth proportional to 219,562.43, 302,992.21 and 124,067.07 is: 171,210.33
Step by Step Solution
- Step 1: Write the proportion equation
219,562.43 : 302,992.21 = 124,067.07 : x - Step 2: Convert to fraction form
219,562.43/302,992.21 = 124,067.07/x - Step 3: Cross multiply
219,562.43x = 302,992.21 × 124,067.07 - Step 4: Simplify right side
219,562.43x = 37,591,355,107.19 - Step 5: Solve for x
x = 37,591,355,107.19/219,562.43 - Step 6: Final answer
x = 171,210.33
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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.