Finding the Fourth Proportional to 532,964.10, 799,409.70 and 173,129.70
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Solution
The fourth proportional to 532,964.10, 799,409.70 and 173,129.70 is: 259,682.71
Step by Step Solution
- Step 1: Write the proportion equation
532,964.10 : 799,409.70 = 173,129.70 : x - Step 2: Convert to fraction form
532,964.10/799,409.70 = 173,129.70/x - Step 3: Cross multiply
532,964.10x = 799,409.70 × 173,129.70 - Step 4: Simplify right side
532,964.10x = 138,401,561,538.09 - Step 5: Solve for x
x = 138,401,561,538.09/532,964.10 - Step 6: Final answer
x = 259,682.71
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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.