Finding the Fourth Proportional to 395,776.68, 546,170.45 and 214,493.06
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Solution
The fourth proportional to 395,776.68, 546,170.45 and 214,493.06 is: 295,999.68
Step by Step Solution
- Step 1: Write the proportion equation
395,776.68 : 546,170.45 = 214,493.06 : x - Step 2: Convert to fraction form
395,776.68/546,170.45 = 214,493.06/x - Step 3: Cross multiply
395,776.68x = 546,170.45 × 214,493.06 - Step 4: Simplify right side
395,776.68x = 117,149,771,395.04 - Step 5: Solve for x
x = 117,149,771,395.04/395,776.68 - Step 6: Final answer
x = 295,999.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.