Finding the Fourth Proportional to 490,170.60, 735,110.10 and 190,478.70
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Solution
The fourth proportional to 490,170.60, 735,110.10 and 190,478.70 is: 285,661.39
Step by Step Solution
- Step 1: Write the proportion equation
490,170.60 : 735,110.10 = 190,478.70 : x - Step 2: Convert to fraction form
490,170.60/735,110.10 = 190,478.70/x - Step 3: Cross multiply
490,170.60x = 735,110.10 × 190,478.70 - Step 4: Simplify right side
490,170.60x = 140,022,816,204.87 - Step 5: Solve for x
x = 140,022,816,204.87/490,170.60 - Step 6: Final answer
x = 285,661.39
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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.