Finding the Fourth Proportional to 187,859.67, 259,246.35 and 102,974.91
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Solution
The fourth proportional to 187,859.67, 259,246.35 and 102,974.91 is: 142,105.38
Step by Step Solution
- Step 1: Write the proportion equation
187,859.67 : 259,246.35 = 102,974.91 : x - Step 2: Convert to fraction form
187,859.67/259,246.35 = 102,974.91/x - Step 3: Cross multiply
187,859.67x = 259,246.35 × 102,974.91 - Step 4: Simplify right side
187,859.67x = 26,695,869,559.08 - Step 5: Solve for x
x = 26,695,869,559.08/187,859.67 - Step 6: Final answer
x = 142,105.38
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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.