Finding the Fourth Proportional to 190,725.68, 286,115.26 and 57,590.84
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Solution
The fourth proportional to 190,725.68, 286,115.26 and 57,590.84 is: 86,394.33
Step by Step Solution
- Step 1: Write the proportion equation
190,725.68 : 286,115.26 = 57,590.84 : x - Step 2: Convert to fraction form
190,725.68/286,115.26 = 57,590.84/x - Step 3: Cross multiply
190,725.68x = 286,115.26 × 57,590.84 - Step 4: Simplify right side
190,725.68x = 16,477,618,160.22 - Step 5: Solve for x
x = 16,477,618,160.22/190,725.68 - Step 6: Final answer
x = 86,394.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.