Finding the Fourth Proportional to 395,675.13, 546,030.91 and 214,391.96
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Solution
The fourth proportional to 395,675.13, 546,030.91 and 214,391.96 is: 295,860.49
Step by Step Solution
- Step 1: Write the proportion equation
395,675.13 : 546,030.91 = 214,391.96 : x - Step 2: Convert to fraction form
395,675.13/546,030.91 = 214,391.96/x - Step 3: Cross multiply
395,675.13x = 546,030.91 × 214,391.96 - Step 4: Simplify right side
395,675.13x = 117,064,638,466.40 - Step 5: Solve for x
x = 117,064,638,466.40/395,675.13 - Step 6: Final answer
x = 295,860.49
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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.