Finding the Fourth Proportional to 169,772.19, 233,989.07 and 124,353.68
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Solution
The fourth proportional to 169,772.19, 233,989.07 and 124,353.68 is: 171,390.85
Step by Step Solution
- Step 1: Write the proportion equation
169,772.19 : 233,989.07 = 124,353.68 : x - Step 2: Convert to fraction form
169,772.19/233,989.07 = 124,353.68/x - Step 3: Cross multiply
169,772.19x = 233,989.07 × 124,353.68 - Step 4: Simplify right side
169,772.19x = 29,097,400,142.56 - Step 5: Solve for x
x = 29,097,400,142.56/169,772.19 - Step 6: Final answer
x = 171,390.85
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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.