Finding the Fourth Proportional to 138,263.96, 207,506.67 and 63,419.36
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Solution
The fourth proportional to 138,263.96, 207,506.67 and 63,419.36 is: 95,179.83
Step by Step Solution
- Step 1: Write the proportion equation
138,263.96 : 207,506.67 = 63,419.36 : x - Step 2: Convert to fraction form
138,263.96/207,506.67 = 63,419.36/x - Step 3: Cross multiply
138,263.96x = 207,506.67 × 63,419.36 - Step 4: Simplify right side
138,263.96x = 13,159,940,207.13 - Step 5: Solve for x
x = 13,159,940,207.13/138,263.96 - Step 6: Final answer
x = 95,179.83
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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.