Finding the Fourth Proportional to 191,352.73, 286,886.11 and 132,019.09
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Solution
The fourth proportional to 191,352.73, 286,886.11 and 132,019.09 is: 197,929.99
Step by Step Solution
- Step 1: Write the proportion equation
191,352.73 : 286,886.11 = 132,019.09 : x - Step 2: Convert to fraction form
191,352.73/286,886.11 = 132,019.09/x - Step 3: Cross multiply
191,352.73x = 286,886.11 × 132,019.09 - Step 4: Simplify right side
191,352.73x = 37,874,443,175.84 - Step 5: Solve for x
x = 37,874,443,175.84/191,352.73 - Step 6: Final answer
x = 197,929.99
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1.5x scale
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.