Finding the Fourth Proportional to 171,558.08, 257,247.12 and 71,699.84
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Solution
The fourth proportional to 171,558.08, 257,247.12 and 71,699.84 is: 107,512.15
Step by Step Solution
- Step 1: Write the proportion equation
171,558.08 : 257,247.12 = 71,699.84 : x - Step 2: Convert to fraction form
171,558.08/257,247.12 = 71,699.84/x - Step 3: Cross multiply
171,558.08x = 257,247.12 × 71,699.84 - Step 4: Simplify right side
171,558.08x = 18,444,577,344.46 - Step 5: Solve for x
x = 18,444,577,344.46/171,558.08 - Step 6: Final answer
x = 107,512.15
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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.