Finding the Fourth Proportional to 234,418.74, 323,497.56 and 126,989.21
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Solution
The fourth proportional to 234,418.74, 323,497.56 and 126,989.21 is: 175,244.95
Step by Step Solution
- Step 1: Write the proportion equation
234,418.74 : 323,497.56 = 126,989.21 : x - Step 2: Convert to fraction form
234,418.74/323,497.56 = 126,989.21/x - Step 3: Cross multiply
234,418.74x = 323,497.56 × 126,989.21 - Step 4: Simplify right side
234,418.74x = 41,080,700,866.28 - Step 5: Solve for x
x = 41,080,700,866.28/234,418.74 - Step 6: Final answer
x = 175,244.95
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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.