Finding the Fourth Proportional to 187,948.14, 259,329.12 and 119,921.76
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Solution
The fourth proportional to 187,948.14, 259,329.12 and 119,921.76 is: 165,466.94
Step by Step Solution
- Step 1: Write the proportion equation
187,948.14 : 259,329.12 = 119,921.76 : x - Step 2: Convert to fraction form
187,948.14/259,329.12 = 119,921.76/x - Step 3: Cross multiply
187,948.14x = 259,329.12 × 119,921.76 - Step 4: Simplify right side
187,948.14x = 31,099,204,489.65 - Step 5: Solve for x
x = 31,099,204,489.65/187,948.14 - Step 6: Final answer
x = 165,466.94
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1.5x scale
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.