Finding the Fourth Proportional to 170,239.80, 255,359.70 and 170,239.80
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Solution
The fourth proportional to 170,239.80, 255,359.70 and 170,239.80 is: 255,359.70
Step by Step Solution
- Step 1: Write the proportion equation
170,239.80 : 255,359.70 = 170,239.80 : x - Step 2: Convert to fraction form
170,239.80/255,359.70 = 170,239.80/x - Step 3: Cross multiply
170,239.80x = 255,359.70 × 170,239.80 - Step 4: Simplify right side
170,239.80x = 43,472,384,256.06 - Step 5: Solve for x
x = 43,472,384,256.06/170,239.80 - Step 6: Final answer
x = 255,359.70
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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.