Finding the Fourth Proportional to 489,344.40, 733,843.80 and 173,811.60
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Solution
The fourth proportional to 489,344.40, 733,843.80 and 173,811.60 is: 260,656.02
Step by Step Solution
- Step 1: Write the proportion equation
489,344.40 : 733,843.80 = 173,811.60 : x - Step 2: Convert to fraction form
489,344.40/733,843.80 = 173,811.60/x - Step 3: Cross multiply
489,344.40x = 733,843.80 × 173,811.60 - Step 4: Simplify right side
489,344.40x = 127,550,565,028.08 - Step 5: Solve for x
x = 127,550,565,028.08/489,344.40 - Step 6: Final answer
x = 260,656.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.