Finding the Fourth Proportional to 238,387.24, 328,917.68 and 135,022.33
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Solution
The fourth proportional to 238,387.24, 328,917.68 and 135,022.33 is: 186,298.69
Step by Step Solution
- Step 1: Write the proportion equation
238,387.24 : 328,917.68 = 135,022.33 : x - Step 2: Convert to fraction form
238,387.24/328,917.68 = 135,022.33/x - Step 3: Cross multiply
238,387.24x = 328,917.68 × 135,022.33 - Step 4: Simplify right side
238,387.24x = 44,411,230,856.68 - Step 5: Solve for x
x = 44,411,230,856.68/238,387.24 - Step 6: Final answer
x = 186,298.69
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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.