Finding the Fourth Proportional to 470,607.36, 706,042.80 and 190,321.44
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Solution
The fourth proportional to 470,607.36, 706,042.80 and 190,321.44 is: 285,535.45
Step by Step Solution
- Step 1: Write the proportion equation
470,607.36 : 706,042.80 = 190,321.44 : x - Step 2: Convert to fraction form
470,607.36/706,042.80 = 190,321.44/x - Step 3: Cross multiply
470,607.36x = 706,042.80 × 190,321.44 - Step 4: Simplify right side
470,607.36x = 134,375,082,397.63 - Step 5: Solve for x
x = 134,375,082,397.63/470,607.36 - Step 6: Final answer
x = 285,535.45
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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.