Finding the Fourth Proportional to 171,599.96, 257,246.84 and 87,312.98
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Solution
The fourth proportional to 171,599.96, 257,246.84 and 87,312.98 is: 130,891.56
Step by Step Solution
- Step 1: Write the proportion equation
171,599.96 : 257,246.84 = 87,312.98 : x - Step 2: Convert to fraction form
171,599.96/257,246.84 = 87,312.98/x - Step 3: Cross multiply
171,599.96x = 257,246.84 × 87,312.98 - Step 4: Simplify right side
171,599.96x = 22,460,986,473.18 - Step 5: Solve for x
x = 22,460,986,473.18/171,599.96 - Step 6: Final answer
x = 130,891.56
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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.