Finding the Fourth Proportional to 395,890.44, 546,327.54 and 214,603.08
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Solution
The fourth proportional to 395,890.44, 546,327.54 and 214,603.08 is: 296,151.56
Step by Step Solution
- Step 1: Write the proportion equation
395,890.44 : 546,327.54 = 214,603.08 : x - Step 2: Convert to fraction form
395,890.44/546,327.54 = 214,603.08/x - Step 3: Cross multiply
395,890.44x = 546,327.54 × 214,603.08 - Step 4: Simplify right side
395,890.44x = 117,243,572,772.82 - Step 5: Solve for x
x = 117,243,572,772.82/395,890.44 - Step 6: Final answer
x = 296,151.56
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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.