Finding the Fourth Proportional to 138,508.08, 207,690.92 and 63,563.67
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Solution
The fourth proportional to 138,508.08, 207,690.92 and 63,563.67 is: 95,312.83
Step by Step Solution
- Step 1: Write the proportion equation
138,508.08 : 207,690.92 = 63,563.67 : x - Step 2: Convert to fraction form
138,508.08/207,690.92 = 63,563.67/x - Step 3: Cross multiply
138,508.08x = 207,690.92 × 63,563.67 - Step 4: Simplify right side
138,508.08x = 13,201,597,021.42 - Step 5: Solve for x
x = 13,201,597,021.42/138,508.08 - Step 6: Final answer
x = 95,312.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.