Finding the Fourth Proportional to 171,518.43, 257,254.29 and 45,148.09
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Solution
The fourth proportional to 171,518.43, 257,254.29 and 45,148.09 is: 67,715.99
Step by Step Solution
- Step 1: Write the proportion equation
171,518.43 : 257,254.29 = 45,148.09 : x - Step 2: Convert to fraction form
171,518.43/257,254.29 = 45,148.09/x - Step 3: Cross multiply
171,518.43x = 257,254.29 × 45,148.09 - Step 4: Simplify right side
171,518.43x = 11,614,540,159.37 - Step 5: Solve for x
x = 11,614,540,159.37/171,518.43 - Step 6: Final answer
x = 67,715.99
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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.