Finding the Fourth Proportional to 169,895.73, 234,451.11 and 93,414.75
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Solution
The fourth proportional to 169,895.73, 234,451.11 and 93,414.75 is: 128,909.61
Step by Step Solution
- Step 1: Write the proportion equation
169,895.73 : 234,451.11 = 93,414.75 : x - Step 2: Convert to fraction form
169,895.73/234,451.11 = 93,414.75/x - Step 3: Cross multiply
169,895.73x = 234,451.11 × 93,414.75 - Step 4: Simplify right side
169,895.73x = 21,901,191,827.87 - Step 5: Solve for x
x = 21,901,191,827.87/169,895.73 - Step 6: Final answer
x = 128,909.61
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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.