Finding the Fourth Proportional to 240,412.68, 331,665.18 and 144,865.08
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Solution
The fourth proportional to 240,412.68, 331,665.18 and 144,865.08 is: 199,850.95
Step by Step Solution
- Step 1: Write the proportion equation
240,412.68 : 331,665.18 = 144,865.08 : x - Step 2: Convert to fraction form
240,412.68/331,665.18 = 144,865.08/x - Step 3: Cross multiply
240,412.68x = 331,665.18 × 144,865.08 - Step 4: Simplify right side
240,412.68x = 48,046,702,833.91 - Step 5: Solve for x
x = 48,046,702,833.91/240,412.68 - Step 6: Final answer
x = 199,850.95
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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.