Finding the Fourth Proportional to 260,152.37, 390,222.45 and 119,910.99
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Solution
The fourth proportional to 260,152.37, 390,222.45 and 119,910.99 is: 179,863.67
Step by Step Solution
- Step 1: Write the proportion equation
260,152.37 : 390,222.45 = 119,910.99 : x - Step 2: Convert to fraction form
260,152.37/390,222.45 = 119,910.99/x - Step 3: Cross multiply
260,152.37x = 390,222.45 × 119,910.99 - Step 4: Simplify right side
260,152.37x = 46,791,960,299.73 - Step 5: Solve for x
x = 46,791,960,299.73/260,152.37 - Step 6: Final answer
x = 179,863.67
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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.