Finding the Fourth Proportional to 234,154.16, 323,132.67 and 126,724.17
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Solution
The fourth proportional to 234,154.16, 323,132.67 and 126,724.17 is: 174,879.32
Step by Step Solution
- Step 1: Write the proportion equation
234,154.16 : 323,132.67 = 126,724.17 : x - Step 2: Convert to fraction form
234,154.16/323,132.67 = 126,724.17/x - Step 3: Cross multiply
234,154.16x = 323,132.67 × 126,724.17 - Step 4: Simplify right side
234,154.16x = 40,948,719,405.63 - Step 5: Solve for x
x = 40,948,719,405.63/234,154.16 - Step 6: Final answer
x = 174,879.32
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1.5x scale
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.