Finding the Fourth Proportional to 247,427.18, 341,451.69 and 134,252.18
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Solution
The fourth proportional to 247,427.18, 341,451.69 and 134,252.18 is: 185,269.19
Step by Step Solution
- Step 1: Write the proportion equation
247,427.18 : 341,451.69 = 134,252.18 : x - Step 2: Convert to fraction form
247,427.18/341,451.69 = 134,252.18/x - Step 3: Cross multiply
247,427.18x = 341,451.69 × 134,252.18 - Step 4: Simplify right side
247,427.18x = 45,840,633,747.18 - Step 5: Solve for x
x = 45,840,633,747.18/247,427.18 - Step 6: Final answer
x = 185,269.19
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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.