Finding the Fourth Proportional to 338,402.81, 466,995.98 and 202,442.49
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Solution
The fourth proportional to 338,402.81, 466,995.98 and 202,442.49 is: 279,370.70
Step by Step Solution
- Step 1: Write the proportion equation
338,402.81 : 466,995.98 = 202,442.49 : x - Step 2: Convert to fraction form
338,402.81/466,995.98 = 202,442.49/x - Step 3: Cross multiply
338,402.81x = 466,995.98 × 202,442.49 - Step 4: Simplify right side
338,402.81x = 94,539,829,517.30 - Step 5: Solve for x
x = 94,539,829,517.30/338,402.81 - Step 6: Final answer
x = 279,370.70
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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.