Finding the Fourth Proportional to 354,948.21, 489,835.35 and 193,809.65
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Solution
The fourth proportional to 354,948.21, 489,835.35 and 193,809.65 is: 267,461.03
Step by Step Solution
- Step 1: Write the proportion equation
354,948.21 : 489,835.35 = 193,809.65 : x - Step 2: Convert to fraction form
354,948.21/489,835.35 = 193,809.65/x - Step 3: Cross multiply
354,948.21x = 489,835.35 × 193,809.65 - Step 4: Simplify right side
354,948.21x = 94,934,815,291.95 - Step 5: Solve for x
x = 94,934,815,291.95/354,948.21 - Step 6: Final answer
x = 267,461.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.