Finding the Fourth Proportional to 131,649.65, 197,295.50 and 55,685.02
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Solution
The fourth proportional to 131,649.65, 197,295.50 and 55,685.02 is: 83,451.82
Step by Step Solution
- Step 1: Write the proportion equation
131,649.65 : 197,295.50 = 55,685.02 : x - Step 2: Convert to fraction form
131,649.65/197,295.50 = 55,685.02/x - Step 3: Cross multiply
131,649.65x = 197,295.50 × 55,685.02 - Step 4: Simplify right side
131,649.65x = 10,986,403,566.08 - Step 5: Solve for x
x = 10,986,403,566.08/131,649.65 - Step 6: Final answer
x = 83,451.82
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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.