Finding the Fourth Proportional to 658,986.63, 988,479.94 and 160,350.63
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Solution
The fourth proportional to 658,986.63, 988,479.94 and 160,350.63 is: 240,525.94
Step by Step Solution
- Step 1: Write the proportion equation
658,986.63 : 988,479.94 = 160,350.63 : x - Step 2: Convert to fraction form
658,986.63/988,479.94 = 160,350.63/x - Step 3: Cross multiply
658,986.63x = 988,479.94 × 160,350.63 - Step 4: Simplify right side
658,986.63x = 158,503,381,121.36 - Step 5: Solve for x
x = 158,503,381,121.36/658,986.63 - Step 6: Final answer
x = 240,525.94
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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.