Finding the Fourth Proportional to 402,177.94, 555,012.23 and 220,906.62
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Solution
The fourth proportional to 402,177.94, 555,012.23 and 220,906.62 is: 304,854.80
Step by Step Solution
- Step 1: Write the proportion equation
402,177.94 : 555,012.23 = 220,906.62 : x - Step 2: Convert to fraction form
402,177.94/555,012.23 = 220,906.62/x - Step 3: Cross multiply
402,177.94x = 555,012.23 × 220,906.62 - Step 4: Simplify right side
402,177.94x = 122,605,875,787.96 - Step 5: Solve for x
x = 122,605,875,787.96/402,177.94 - Step 6: Final answer
x = 304,854.80
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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.