Finding the Fourth Proportional to 162,036.18, 243,078.57 and 56,836.62
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Solution
The fourth proportional to 162,036.18, 243,078.57 and 56,836.62 is: 85,263.45
Step by Step Solution
- Step 1: Write the proportion equation
162,036.18 : 243,078.57 = 56,836.62 : x - Step 2: Convert to fraction form
162,036.18/243,078.57 = 56,836.62/x - Step 3: Cross multiply
162,036.18x = 243,078.57 × 56,836.62 - Step 4: Simplify right side
162,036.18x = 13,815,764,313.23 - Step 5: Solve for x
x = 13,815,764,313.23/162,036.18 - Step 6: Final answer
x = 85,263.45
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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.