Finding the Fourth Proportional to 340,674.90, 470,027.28 and 197,407.26
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Solution
The fourth proportional to 340,674.90, 470,027.28 and 197,407.26 is: 272,361.71
Step by Step Solution
- Step 1: Write the proportion equation
340,674.90 : 470,027.28 = 197,407.26 : x - Step 2: Convert to fraction form
340,674.90/470,027.28 = 197,407.26/x - Step 3: Cross multiply
340,674.90x = 470,027.28 × 197,407.26 - Step 4: Simplify right side
340,674.90x = 92,786,797,470.05 - Step 5: Solve for x
x = 92,786,797,470.05/340,674.90 - Step 6: Final answer
x = 272,361.71
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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.