Finding the Fourth Proportional to 150,412.12, 207,577.02 and 83,342.68
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Solution
The fourth proportional to 150,412.12, 207,577.02 and 83,342.68 is: 115,017.49
Step by Step Solution
- Step 1: Write the proportion equation
150,412.12 : 207,577.02 = 83,342.68 : x - Step 2: Convert to fraction form
150,412.12/207,577.02 = 83,342.68/x - Step 3: Cross multiply
150,412.12x = 207,577.02 × 83,342.68 - Step 4: Simplify right side
150,412.12x = 17,300,025,153.21 - Step 5: Solve for x
x = 17,300,025,153.21/150,412.12 - Step 6: Final answer
x = 115,017.49
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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.