Finding the Fourth Proportional to 207,169.43, 310,769.80 and 57,407.99
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Solution
The fourth proportional to 207,169.43, 310,769.80 and 57,407.99 is: 86,116.32
Step by Step Solution
- Step 1: Write the proportion equation
207,169.43 : 310,769.80 = 57,407.99 : x - Step 2: Convert to fraction form
207,169.43/310,769.80 = 57,407.99/x - Step 3: Cross multiply
207,169.43x = 310,769.80 × 57,407.99 - Step 4: Simplify right side
207,169.43x = 17,840,667,873.33 - Step 5: Solve for x
x = 17,840,667,873.33/207,169.43 - Step 6: Final answer
x = 86,116.32
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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.