Finding the Fourth Proportional to 207,037.64, 285,853.58 and 158,554.02
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Solution
The fourth proportional to 207,037.64, 285,853.58 and 158,554.02 is: 218,913.02
Step by Step Solution
- Step 1: Write the proportion equation
207,037.64 : 285,853.58 = 158,554.02 : x - Step 2: Convert to fraction form
207,037.64/285,853.58 = 158,554.02/x - Step 3: Cross multiply
207,037.64x = 285,853.58 × 158,554.02 - Step 4: Simplify right side
207,037.64x = 45,323,234,240.39 - Step 5: Solve for x
x = 45,323,234,240.39/207,037.64 - Step 6: Final answer
x = 218,913.02
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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.