Finding the Fourth Proportional to 330,335.05, 495,576.42 and 105,708.97
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Solution
The fourth proportional to 330,335.05, 495,576.42 and 105,708.97 is: 158,587.09
Step by Step Solution
- Step 1: Write the proportion equation
330,335.05 : 495,576.42 = 105,708.97 : x - Step 2: Convert to fraction form
330,335.05/495,576.42 = 105,708.97/x - Step 3: Cross multiply
330,335.05x = 495,576.42 × 105,708.97 - Step 4: Simplify right side
330,335.05x = 52,386,872,914.49 - Step 5: Solve for x
x = 52,386,872,914.49/330,335.05 - Step 6: Final answer
x = 158,587.09
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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.