Finding the Fourth Proportional to 119,687.41, 179,572.12 and 40,856.99
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Solution
The fourth proportional to 119,687.41, 179,572.12 and 40,856.99 is: 61,299.49
Step by Step Solution
- Step 1: Write the proportion equation
119,687.41 : 179,572.12 = 40,856.99 : x - Step 2: Convert to fraction form
119,687.41/179,572.12 = 40,856.99/x - Step 3: Cross multiply
119,687.41x = 179,572.12 × 40,856.99 - Step 4: Simplify right side
119,687.41x = 7,336,776,657.91 - Step 5: Solve for x
x = 7,336,776,657.91/119,687.41 - Step 6: Final answer
x = 61,299.49
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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.