Finding the Fourth Proportional to 239,366.10, 330,319.35 and 131,933.76
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Solution
The fourth proportional to 239,366.10, 330,319.35 and 131,933.76 is: 182,065.35
Step by Step Solution
- Step 1: Write the proportion equation
239,366.10 : 330,319.35 = 131,933.76 : x - Step 2: Convert to fraction form
239,366.10/330,319.35 = 131,933.76/x - Step 3: Cross multiply
239,366.10x = 330,319.35 × 131,933.76 - Step 4: Simplify right side
239,366.10x = 43,580,273,846.26 - Step 5: Solve for x
x = 43,580,273,846.26/239,366.10 - Step 6: Final answer
x = 182,065.35
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1.5x scale
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.