Finding the Fourth Proportional to 162,366.18, 243,446.09 and 142,415.73
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Solution
The fourth proportional to 162,366.18, 243,446.09 and 142,415.73 is: 213,533.09
Step by Step Solution
- Step 1: Write the proportion equation
162,366.18 : 243,446.09 = 142,415.73 : x - Step 2: Convert to fraction form
162,366.18/243,446.09 = 142,415.73/x - Step 3: Cross multiply
162,366.18x = 243,446.09 × 142,415.73 - Step 4: Simplify right side
162,366.18x = 34,670,551,910.92 - Step 5: Solve for x
x = 34,670,551,910.92/162,366.18 - Step 6: Final answer
x = 213,533.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.