Finding the Fourth Proportional to 325,621.22, 488,747.12 and 157,259.88
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Solution
The fourth proportional to 325,621.22, 488,747.12 and 157,259.88 is: 236,042.09
Step by Step Solution
- Step 1: Write the proportion equation
325,621.22 : 488,747.12 = 157,259.88 : x - Step 2: Convert to fraction form
325,621.22/488,747.12 = 157,259.88/x - Step 3: Cross multiply
325,621.22x = 488,747.12 × 157,259.88 - Step 4: Simplify right side
325,621.22x = 76,860,312,655.25 - Step 5: Solve for x
x = 76,860,312,655.25/325,621.22 - Step 6: Final answer
x = 236,042.09
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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.