Finding the Fourth Proportional to 470,966.70, 706,450.05 and 155,382.60
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Solution
The fourth proportional to 470,966.70, 706,450.05 and 155,382.60 is: 233,073.90
Step by Step Solution
- Step 1: Write the proportion equation
470,966.70 : 706,450.05 = 155,382.60 : x - Step 2: Convert to fraction form
470,966.70/706,450.05 = 155,382.60/x - Step 3: Cross multiply
470,966.70x = 706,450.05 × 155,382.60 - Step 4: Simplify right side
470,966.70x = 109,770,045,539.13 - Step 5: Solve for x
x = 109,770,045,539.13/470,966.70 - Step 6: Final answer
x = 233,073.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.