Finding the Fourth Proportional to 336,976.70, 505,465.05 and 159,829.70
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Solution
The fourth proportional to 336,976.70, 505,465.05 and 159,829.70 is: 239,744.55
Step by Step Solution
- Step 1: Write the proportion equation
336,976.70 : 505,465.05 = 159,829.70 : x - Step 2: Convert to fraction form
336,976.70/505,465.05 = 159,829.70/x - Step 3: Cross multiply
336,976.70x = 505,465.05 × 159,829.70 - Step 4: Simplify right side
336,976.70x = 80,788,327,301.99 - Step 5: Solve for x
x = 80,788,327,301.99/336,976.70 - Step 6: Final answer
x = 239,744.55
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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.