Finding the Fourth Proportional to 255,853.24, 353,069.19 and 141,131.62
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Solution
The fourth proportional to 255,853.24, 353,069.19 and 141,131.62 is: 194,757.07
Step by Step Solution
- Step 1: Write the proportion equation
255,853.24 : 353,069.19 = 141,131.62 : x - Step 2: Convert to fraction form
255,853.24/353,069.19 = 141,131.62/x - Step 3: Cross multiply
255,853.24x = 353,069.19 × 141,131.62 - Step 4: Simplify right side
255,853.24x = 49,829,226,756.79 - Step 5: Solve for x
x = 49,829,226,756.79/255,853.24 - Step 6: Final answer
x = 194,757.07
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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.