Finding the Fourth Proportional to 340,699.74, 470,165.65 and 197,542.82
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Solution
The fourth proportional to 340,699.74, 470,165.65 and 197,542.82 is: 272,609.09
Step by Step Solution
- Step 1: Write the proportion equation
340,699.74 : 470,165.65 = 197,542.82 : x - Step 2: Convert to fraction form
340,699.74/470,165.65 = 197,542.82/x - Step 3: Cross multiply
340,699.74x = 470,165.65 × 197,542.82 - Step 4: Simplify right side
340,699.74x = 92,877,846,405.01 - Step 5: Solve for x
x = 92,877,846,405.01/340,699.74 - Step 6: Final answer
x = 272,609.09
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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.