Finding the Fourth Proportional to 395,924.09, 546,587.24 and 309,699.88
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Solution
The fourth proportional to 395,924.09, 546,587.24 and 309,699.88 is: 427,551.66
Step by Step Solution
- Step 1: Write the proportion equation
395,924.09 : 546,587.24 = 309,699.88 : x - Step 2: Convert to fraction form
395,924.09/546,587.24 = 309,699.88/x - Step 3: Cross multiply
395,924.09x = 546,587.24 × 309,699.88 - Step 4: Simplify right side
395,924.09x = 169,277,999,722.56 - Step 5: Solve for x
x = 169,277,999,722.56/395,924.09 - Step 6: Final answer
x = 427,551.66
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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.