Finding the Fourth Proportional to 330,117.69, 495,176.73 and 180,276.06
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Solution
The fourth proportional to 330,117.69, 495,176.73 and 180,276.06 is: 270,414.20
Step by Step Solution
- Step 1: Write the proportion equation
330,117.69 : 495,176.73 = 180,276.06 : x - Step 2: Convert to fraction form
330,117.69/495,176.73 = 180,276.06/x - Step 3: Cross multiply
330,117.69x = 495,176.73 × 180,276.06 - Step 4: Simplify right side
330,117.69x = 89,268,511,068.96 - Step 5: Solve for x
x = 89,268,511,068.96/330,117.69 - Step 6: Final answer
x = 270,414.20
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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.