Finding the Fourth Proportional to 330,052.76, 455,478.08 and 179,149.76
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Solution
The fourth proportional to 330,052.76, 455,478.08 and 179,149.76 is: 247,229.53
Step by Step Solution
- Step 1: Write the proportion equation
330,052.76 : 455,478.08 = 179,149.76 : x - Step 2: Convert to fraction form
330,052.76/455,478.08 = 179,149.76/x - Step 3: Cross multiply
330,052.76x = 455,478.08 × 179,149.76 - Step 4: Simplify right side
330,052.76x = 81,598,788,717.26 - Step 5: Solve for x
x = 81,598,788,717.26/330,052.76 - Step 6: Final answer
x = 247,229.53
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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.