Finding the Fourth Proportional to 202,176.70, 303,265.05 and 186,430.30
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Solution
The fourth proportional to 202,176.70, 303,265.05 and 186,430.30 is: 279,645.45
Step by Step Solution
- Step 1: Write the proportion equation
202,176.70 : 303,265.05 = 186,430.30 : x - Step 2: Convert to fraction form
202,176.70/303,265.05 = 186,430.30/x - Step 3: Cross multiply
202,176.70x = 303,265.05 × 186,430.30 - Step 4: Simplify right side
202,176.70x = 56,537,794,251.02 - Step 5: Solve for x
x = 56,537,794,251.02/202,176.70 - Step 6: Final answer
x = 279,645.45
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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.