Finding the Fourth Proportional to 207,037.14, 285,721.38 and 116,421.62
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Solution
The fourth proportional to 207,037.14, 285,721.38 and 116,421.62 is: 160,667.53
Step by Step Solution
- Step 1: Write the proportion equation
207,037.14 : 285,721.38 = 116,421.62 : x - Step 2: Convert to fraction form
207,037.14/285,721.38 = 116,421.62/x - Step 3: Cross multiply
207,037.14x = 285,721.38 × 116,421.62 - Step 4: Simplify right side
207,037.14x = 33,264,145,928.24 - Step 5: Solve for x
x = 33,264,145,928.24/207,037.14 - Step 6: Final answer
x = 160,667.53
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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.