Finding the Fourth Proportional to 144,611.87, 216,938.45 and 44,780.99
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Solution
The fourth proportional to 144,611.87, 216,938.45 and 44,780.99 is: 67,177.87
Step by Step Solution
- Step 1: Write the proportion equation
144,611.87 : 216,938.45 = 44,780.99 : x - Step 2: Convert to fraction form
144,611.87/216,938.45 = 44,780.99/x - Step 3: Cross multiply
144,611.87x = 216,938.45 × 44,780.99 - Step 4: Simplify right side
144,611.87x = 9,714,717,587.33 - Step 5: Solve for x
x = 9,714,717,587.33/144,611.87 - Step 6: Final answer
x = 67,177.87
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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.