Finding the Fourth Proportional to 251,117.18, 346,544.24 and 136,396.92
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Solution
The fourth proportional to 251,117.18, 346,544.24 and 136,396.92 is: 188,229.12
Step by Step Solution
- Step 1: Write the proportion equation
251,117.18 : 346,544.24 = 136,396.92 : x - Step 2: Convert to fraction form
251,117.18/346,544.24 = 136,396.92/x - Step 3: Cross multiply
251,117.18x = 346,544.24 × 136,396.92 - Step 4: Simplify right side
251,117.18x = 47,267,566,979.74 - Step 5: Solve for x
x = 47,267,566,979.74/251,117.18 - Step 6: Final answer
x = 188,229.12
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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.