Finding the Fourth Proportional to 353,883, 531,052.87 and 129,224.63
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Solution
The fourth proportional to 353,883, 531,052.87 and 129,224.63 is: 193,920.34
Step by Step Solution
- Step 1: Write the proportion equation
353,883 : 531,052.87 = 129,224.63 : x - Step 2: Convert to fraction form
353,883/531,052.87 = 129,224.63/x - Step 3: Cross multiply
353,883x = 531,052.87 × 129,224.63 - Step 4: Simplify right side
353,883x = 68,625,110,636.19 - Step 5: Solve for x
x = 68,625,110,636.19/353,883 - Step 6: Final answer
x = 193,920.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.