Finding the Fourth Proportional to 245,309.34, 338,496.57 and 141,961.26
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Solution
The fourth proportional to 245,309.34, 338,496.57 and 141,961.26 is: 195,888.99
Step by Step Solution
- Step 1: Write the proportion equation
245,309.34 : 338,496.57 = 141,961.26 : x - Step 2: Convert to fraction form
245,309.34/338,496.57 = 141,961.26/x - Step 3: Cross multiply
245,309.34x = 338,496.57 × 141,961.26 - Step 4: Simplify right side
245,309.34x = 48,053,399,582.88 - Step 5: Solve for x
x = 48,053,399,582.88/245,309.34 - Step 6: Final answer
x = 195,888.99
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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.