Finding the Fourth Proportional to 313,946.08, 433,239.46 and 170,704.84
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Solution
The fourth proportional to 313,946.08, 433,239.46 and 170,704.84 is: 235,569.35
Step by Step Solution
- Step 1: Write the proportion equation
313,946.08 : 433,239.46 = 170,704.84 : x - Step 2: Convert to fraction form
313,946.08/433,239.46 = 170,704.84/x - Step 3: Cross multiply
313,946.08x = 433,239.46 × 170,704.84 - Step 4: Simplify right side
313,946.08x = 73,956,072,700.99 - Step 5: Solve for x
x = 73,956,072,700.99/313,946.08 - Step 6: Final answer
x = 235,569.35
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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.