Finding the Fourth Proportional to 177,986.26, 245,529.02 and 105,347.79
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Solution
The fourth proportional to 177,986.26, 245,529.02 and 105,347.79 is: 145,325.49
Step by Step Solution
- Step 1: Write the proportion equation
177,986.26 : 245,529.02 = 105,347.79 : x - Step 2: Convert to fraction form
177,986.26/245,529.02 = 105,347.79/x - Step 3: Cross multiply
177,986.26x = 245,529.02 × 105,347.79 - Step 4: Simplify right side
177,986.26x = 25,865,939,901.24 - Step 5: Solve for x
x = 25,865,939,901.24/177,986.26 - Step 6: Final answer
x = 145,325.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.