Finding the Fourth Proportional to 325,503.36, 487,671.84 and 115,007.04
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Solution
The fourth proportional to 325,503.36, 487,671.84 and 115,007.04 is: 172,304.50
Step by Step Solution
- Step 1: Write the proportion equation
325,503.36 : 487,671.84 = 115,007.04 : x - Step 2: Convert to fraction form
325,503.36/487,671.84 = 115,007.04/x - Step 3: Cross multiply
325,503.36x = 487,671.84 × 115,007.04 - Step 4: Simplify right side
325,503.36x = 56,085,694,809.75 - Step 5: Solve for x
x = 56,085,694,809.75/325,503.36 - Step 6: Final answer
x = 172,304.50
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1.5x scale
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.