Finding the Fourth Proportional to 207,497.57, 286,342.76 and 126,919.17
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Solution
The fourth proportional to 207,497.57, 286,342.76 and 126,919.17 is: 175,146.08
Step by Step Solution
- Step 1: Write the proportion equation
207,497.57 : 286,342.76 = 126,919.17 : x - Step 2: Convert to fraction form
207,497.57/286,342.76 = 126,919.17/x - Step 3: Cross multiply
207,497.57x = 286,342.76 × 126,919.17 - Step 4: Simplify right side
207,497.57x = 36,342,386,111.87 - Step 5: Solve for x
x = 36,342,386,111.87/207,497.57 - Step 6: Final answer
x = 175,146.08
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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.