Finding the Fourth Proportional to 187,145.46, 258,267.11 and 102,267.99
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Solution
The fourth proportional to 187,145.46, 258,267.11 and 102,267.99 is: 141,133.31
Step by Step Solution
- Step 1: Write the proportion equation
187,145.46 : 258,267.11 = 102,267.99 : x - Step 2: Convert to fraction form
187,145.46/258,267.11 = 102,267.99/x - Step 3: Cross multiply
187,145.46x = 258,267.11 × 102,267.99 - Step 4: Simplify right side
187,145.46x = 26,412,457,711.47 - Step 5: Solve for x
x = 26,412,457,711.47/187,145.46 - Step 6: Final answer
x = 141,133.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.