Finding the Fourth Proportional to 189,217.08, 283,789.98 and 70,863.12
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Solution
The fourth proportional to 189,217.08, 283,789.98 and 70,863.12 is: 106,281.33
Step by Step Solution
- Step 1: Write the proportion equation
189,217.08 : 283,789.98 = 70,863.12 : x - Step 2: Convert to fraction form
189,217.08/283,789.98 = 70,863.12/x - Step 3: Cross multiply
189,217.08x = 283,789.98 × 70,863.12 - Step 4: Simplify right side
189,217.08x = 20,110,243,407.54 - Step 5: Solve for x
x = 20,110,243,407.54/189,217.08 - Step 6: Final answer
x = 106,281.33
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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.