Finding the Fourth Proportional to 354,950.41, 489,827.84 and 193,804.96
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Solution
The fourth proportional to 354,950.41, 489,827.84 and 193,804.96 is: 267,448.81
Step by Step Solution
- Step 1: Write the proportion equation
354,950.41 : 489,827.84 = 193,804.96 : x - Step 2: Convert to fraction form
354,950.41/489,827.84 = 193,804.96/x - Step 3: Cross multiply
354,950.41x = 489,827.84 × 193,804.96 - Step 4: Simplify right side
354,950.41x = 94,931,062,488.95 - Step 5: Solve for x
x = 94,931,062,488.95/354,950.41 - Step 6: Final answer
x = 267,448.81
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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.