Finding the Fourth Proportional to 285,077.19, 393,379.82 and 170,332.99
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Solution
The fourth proportional to 285,077.19, 393,379.82 and 170,332.99 is: 235,043.57
Step by Step Solution
- Step 1: Write the proportion equation
285,077.19 : 393,379.82 = 170,332.99 : x - Step 2: Convert to fraction form
285,077.19/393,379.82 = 170,332.99/x - Step 3: Cross multiply
285,077.19x = 393,379.82 × 170,332.99 - Step 4: Simplify right side
285,077.19x = 67,005,560,946.26 - Step 5: Solve for x
x = 67,005,560,946.26/285,077.19 - Step 6: Final answer
x = 235,043.57
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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.