Finding the Fourth Proportional to 190,684.68, 286,308.09 and 106,609.65
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Solution
The fourth proportional to 190,684.68, 286,308.09 and 106,609.65 is: 160,071.62
Step by Step Solution
- Step 1: Write the proportion equation
190,684.68 : 286,308.09 = 106,609.65 : x - Step 2: Convert to fraction form
190,684.68/286,308.09 = 106,609.65/x - Step 3: Cross multiply
190,684.68x = 286,308.09 × 106,609.65 - Step 4: Simplify right side
190,684.68x = 30,523,205,267.07 - Step 5: Solve for x
x = 30,523,205,267.07/190,684.68 - Step 6: Final answer
x = 160,071.62
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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.