Finding the Fourth Proportional to 101,624.96, 152,431.68 and 31,502.08
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Solution
The fourth proportional to 101,624.96, 152,431.68 and 31,502.08 is: 47,251.33
Step by Step Solution
- Step 1: Write the proportion equation
101,624.96 : 152,431.68 = 31,502.08 : x - Step 2: Convert to fraction form
101,624.96/152,431.68 = 31,502.08/x - Step 3: Cross multiply
101,624.96x = 152,431.68 × 31,502.08 - Step 4: Simplify right side
101,624.96x = 4,801,914,977.89 - Step 5: Solve for x
x = 4,801,914,977.89/101,624.96 - Step 6: Final answer
x = 47,251.33
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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.