Finding the Fourth Proportional to 399,146.63, 550,822.35 and 272,044.26
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Solution
The fourth proportional to 399,146.63, 550,822.35 and 272,044.26 is: 375,421.08
Step by Step Solution
- Step 1: Write the proportion equation
399,146.63 : 550,822.35 = 272,044.26 : x - Step 2: Convert to fraction form
399,146.63/550,822.35 = 272,044.26/x - Step 3: Cross multiply
399,146.63x = 550,822.35 × 272,044.26 - Step 4: Simplify right side
399,146.63x = 149,848,058,597.21 - Step 5: Solve for x
x = 149,848,058,597.21/399,146.63 - Step 6: Final answer
x = 375,421.08
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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.