Finding the Fourth Proportional to 171,509.40, 257,269.50 and 53,181.63
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Solution
The fourth proportional to 171,509.40, 257,269.50 and 53,181.63 is: 79,774.12
Step by Step Solution
- Step 1: Write the proportion equation
171,509.40 : 257,269.50 = 53,181.63 : x - Step 2: Convert to fraction form
171,509.40/257,269.50 = 53,181.63/x - Step 3: Cross multiply
171,509.40x = 257,269.50 × 53,181.63 - Step 4: Simplify right side
171,509.40x = 13,682,011,359.29 - Step 5: Solve for x
x = 13,682,011,359.29/171,509.40 - Step 6: Final answer
x = 79,774.12
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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.