Finding the Fourth Proportional to 190,624.18, 285,705.36 and 106,294.72
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Solution
The fourth proportional to 190,624.18, 285,705.36 and 106,294.72 is: 159,313.32
Step by Step Solution
- Step 1: Write the proportion equation
190,624.18 : 285,705.36 = 106,294.72 : x - Step 2: Convert to fraction form
190,624.18/285,705.36 = 106,294.72/x - Step 3: Cross multiply
190,624.18x = 285,705.36 × 106,294.72 - Step 4: Simplify right side
190,624.18x = 30,368,971,243.70 - Step 5: Solve for x
x = 30,368,971,243.70/190,624.18 - Step 6: Final answer
x = 159,313.32
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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.