Finding the Fourth Proportional to 240,727.62, 332,201.79 and 138,715.59
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Solution
The fourth proportional to 240,727.62, 332,201.79 and 138,715.59 is: 191,426.17
Step by Step Solution
- Step 1: Write the proportion equation
240,727.62 : 332,201.79 = 138,715.59 : x - Step 2: Convert to fraction form
240,727.62/332,201.79 = 138,715.59/x - Step 3: Cross multiply
240,727.62x = 332,201.79 × 138,715.59 - Step 4: Simplify right side
240,727.62x = 46,081,567,298.91 - Step 5: Solve for x
x = 46,081,567,298.91/240,727.62 - Step 6: Final answer
x = 191,426.17
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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.