Finding the Fourth Proportional to 135,444.96, 203,174.73 and 56,479.68
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Solution
The fourth proportional to 135,444.96, 203,174.73 and 56,479.68 is: 84,722.56
Step by Step Solution
- Step 1: Write the proportion equation
135,444.96 : 203,174.73 = 56,479.68 : x - Step 2: Convert to fraction form
135,444.96/203,174.73 = 56,479.68/x - Step 3: Cross multiply
135,444.96x = 203,174.73 × 56,479.68 - Step 4: Simplify right side
135,444.96x = 11,475,243,734.49 - Step 5: Solve for x
x = 11,475,243,734.49/135,444.96 - Step 6: Final answer
x = 84,722.56
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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.