Finding the Fourth Proportional to 147,040.84, 220,205.98 and 83,668.96
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Solution
The fourth proportional to 147,040.84, 220,205.98 and 83,668.96 is: 125,301.28
Step by Step Solution
- Step 1: Write the proportion equation
147,040.84 : 220,205.98 = 83,668.96 : x - Step 2: Convert to fraction form
147,040.84/220,205.98 = 83,668.96/x - Step 3: Cross multiply
147,040.84x = 220,205.98 × 83,668.96 - Step 4: Simplify right side
147,040.84x = 18,424,405,332.38 - Step 5: Solve for x
x = 18,424,405,332.38/147,040.84 - Step 6: Final answer
x = 125,301.28
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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.