Finding the Fourth Proportional to 330,135.36, 495,013.08 and 176,071.28
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Solution
The fourth proportional to 330,135.36, 495,013.08 and 176,071.28 is: 264,005.61
Step by Step Solution
- Step 1: Write the proportion equation
330,135.36 : 495,013.08 = 176,071.28 : x - Step 2: Convert to fraction form
330,135.36/495,013.08 = 176,071.28/x - Step 3: Cross multiply
330,135.36x = 495,013.08 × 176,071.28 - Step 4: Simplify right side
330,135.36x = 87,157,586,612.34 - Step 5: Solve for x
x = 87,157,586,612.34/330,135.36 - Step 6: Final answer
x = 264,005.61
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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.