Finding the Fourth Proportional to 395,790.74, 546,189.81 and 214,507.07
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Solution
The fourth proportional to 395,790.74, 546,189.81 and 214,507.07 is: 296,018.99
Step by Step Solution
- Step 1: Write the proportion equation
395,790.74 : 546,189.81 = 214,507.07 : x - Step 2: Convert to fraction form
395,790.74/546,189.81 = 214,507.07/x - Step 3: Cross multiply
395,790.74x = 546,189.81 × 214,507.07 - Step 4: Simplify right side
395,790.74x = 117,161,575,806.96 - Step 5: Solve for x
x = 117,161,575,806.96/395,790.74 - Step 6: Final answer
x = 296,018.99
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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.