Finding the Fourth Proportional to 489,861.58, 734,838.74 and 190,365.26
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Solution
The fourth proportional to 489,861.58, 734,838.74 and 190,365.26 is: 285,565.90
Step by Step Solution
- Step 1: Write the proportion equation
489,861.58 : 734,838.74 = 190,365.26 : x - Step 2: Convert to fraction form
489,861.58/734,838.74 = 190,365.26/x - Step 3: Cross multiply
489,861.58x = 734,838.74 × 190,365.26 - Step 4: Simplify right side
489,861.58x = 139,887,764,599.89 - Step 5: Solve for x
x = 139,887,764,599.89/489,861.58 - Step 6: Final answer
x = 285,565.90
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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.