Finding the Fourth Proportional to 338,813.55, 467,577.36 and 202,821.18
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Solution
The fourth proportional to 338,813.55, 467,577.36 and 202,821.18 is: 279,902.01
Step by Step Solution
- Step 1: Write the proportion equation
338,813.55 : 467,577.36 = 202,821.18 : x - Step 2: Convert to fraction form
338,813.55/467,577.36 = 202,821.18/x - Step 3: Cross multiply
338,813.55x = 467,577.36 × 202,821.18 - Step 4: Simplify right side
338,813.55x = 94,834,592,773.19 - Step 5: Solve for x
x = 94,834,592,773.19/338,813.55 - Step 6: Final answer
x = 279,902.01
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1.5x scale
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.