Finding the Fourth Proportional to 636,101.06, 954,624.60 and 257,025.09
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Solution
The fourth proportional to 636,101.06, 954,624.60 and 257,025.09 is: 385,728.76
Step by Step Solution
- Step 1: Write the proportion equation
636,101.06 : 954,624.60 = 257,025.09 : x - Step 2: Convert to fraction form
636,101.06/954,624.60 = 257,025.09/x - Step 3: Cross multiply
636,101.06x = 954,624.60 × 257,025.09 - Step 4: Simplify right side
636,101.06x = 245,362,473,731.21 - Step 5: Solve for x
x = 245,362,473,731.21/636,101.06 - Step 6: Final answer
x = 385,728.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.