Finding the Fourth Proportional to 150,276.78, 207,381.63 and 86,614.14
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Solution
The fourth proportional to 150,276.78, 207,381.63 and 86,614.14 is: 119,527.33
Step by Step Solution
- Step 1: Write the proportion equation
150,276.78 : 207,381.63 = 86,614.14 : x - Step 2: Convert to fraction form
150,276.78/207,381.63 = 86,614.14/x - Step 3: Cross multiply
150,276.78x = 207,381.63 × 86,614.14 - Step 4: Simplify right side
150,276.78x = 17,962,181,534.25 - Step 5: Solve for x
x = 17,962,181,534.25/150,276.78 - Step 6: Final answer
x = 119,527.33
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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.