Finding the Fourth Proportional to 340,699.44, 470,147.94 and 197,506.20
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Solution
The fourth proportional to 340,699.44, 470,147.94 and 197,506.20 is: 272,548.53
Step by Step Solution
- Step 1: Write the proportion equation
340,699.44 : 470,147.94 = 197,506.20 : x - Step 2: Convert to fraction form
340,699.44/470,147.94 = 197,506.20/x - Step 3: Cross multiply
340,699.44x = 470,147.94 × 197,506.20 - Step 4: Simplify right side
340,699.44x = 92,857,133,067.23 - Step 5: Solve for x
x = 92,857,133,067.23/340,699.44 - Step 6: Final answer
x = 272,548.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.