Finding the Fourth Proportional to 272,876.73, 376,466.36 and 165,407.55
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Solution
The fourth proportional to 272,876.73, 376,466.36 and 165,407.55 is: 228,199.66
Step by Step Solution
- Step 1: Write the proportion equation
272,876.73 : 376,466.36 = 165,407.55 : x - Step 2: Convert to fraction form
272,876.73/376,466.36 = 165,407.55/x - Step 3: Cross multiply
272,876.73x = 376,466.36 × 165,407.55 - Step 4: Simplify right side
272,876.73x = 62,270,378,265.02 - Step 5: Solve for x
x = 62,270,378,265.02/272,876.73 - Step 6: Final answer
x = 228,199.66
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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.