Finding the Fourth Proportional to 325,125.75, 487,730.19 and 125,503.23
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Solution
The fourth proportional to 325,125.75, 487,730.19 and 125,503.23 is: 188,270.89
Step by Step Solution
- Step 1: Write the proportion equation
325,125.75 : 487,730.19 = 125,503.23 : x - Step 2: Convert to fraction form
325,125.75/487,730.19 = 125,503.23/x - Step 3: Cross multiply
325,125.75x = 487,730.19 × 125,503.23 - Step 4: Simplify right side
325,125.75x = 61,211,714,213.51 - Step 5: Solve for x
x = 61,211,714,213.51/325,125.75 - Step 6: Final answer
x = 188,270.89
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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.