Finding the Fourth Proportional to 187,367.70, 258,545.64 and 110,890.14
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Solution
The fourth proportional to 187,367.70, 258,545.64 and 110,890.14 is: 153,015.50
Step by Step Solution
- Step 1: Write the proportion equation
187,367.70 : 258,545.64 = 110,890.14 : x - Step 2: Convert to fraction form
187,367.70/258,545.64 = 110,890.14/x - Step 3: Cross multiply
187,367.70x = 258,545.64 × 110,890.14 - Step 4: Simplify right side
187,367.70x = 28,670,162,215.99 - Step 5: Solve for x
x = 28,670,162,215.99/187,367.70 - Step 6: Final answer
x = 153,015.50
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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.