Finding the Fourth Proportional to 330,128.84, 495,003.35 and 176,064.78
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Solution
The fourth proportional to 330,128.84, 495,003.35 and 176,064.78 is: 263,995.89
Step by Step Solution
- Step 1: Write the proportion equation
330,128.84 : 495,003.35 = 176,064.78 : x - Step 2: Convert to fraction form
330,128.84/495,003.35 = 176,064.78/x - Step 3: Cross multiply
330,128.84x = 495,003.35 × 176,064.78 - Step 4: Simplify right side
330,128.84x = 87,152,658,213.44 - Step 5: Solve for x
x = 87,152,658,213.44/330,128.84 - Step 6: Final answer
x = 263,995.89
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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.