Finding the Fourth Proportional to 138,502.71, 207,585.94 and 63,518.68
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Solution
The fourth proportional to 138,502.71, 207,585.94 and 63,518.68 is: 95,200.92
Step by Step Solution
- Step 1: Write the proportion equation
138,502.71 : 207,585.94 = 63,518.68 : x - Step 2: Convert to fraction form
138,502.71/207,585.94 = 63,518.68/x - Step 3: Cross multiply
138,502.71x = 207,585.94 × 63,518.68 - Step 4: Simplify right side
138,502.71x = 13,185,585,115.14 - Step 5: Solve for x
x = 13,185,585,115.14/138,502.71 - Step 6: Final answer
x = 95,200.92
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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.