Finding the Fourth Proportional to 134,856.40, 202,333.20 and 56,027.20
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Solution
The fourth proportional to 134,856.40, 202,333.20 and 56,027.20 is: 84,060.99
Step by Step Solution
- Step 1: Write the proportion equation
134,856.40 : 202,333.20 = 56,027.20 : x - Step 2: Convert to fraction form
134,856.40/202,333.20 = 56,027.20/x - Step 3: Cross multiply
134,856.40x = 202,333.20 × 56,027.20 - Step 4: Simplify right side
134,856.40x = 11,336,162,663.04 - Step 5: Solve for x
x = 11,336,162,663.04/134,856.40 - Step 6: Final answer
x = 84,060.99
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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.