Finding the Fourth Proportional to 347,778.68, 521,315.10 and 197,708.92
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Solution
The fourth proportional to 347,778.68, 521,315.10 and 197,708.92 is: 296,362.75
Step by Step Solution
- Step 1: Write the proportion equation
347,778.68 : 521,315.10 = 197,708.92 : x - Step 2: Convert to fraction form
347,778.68/521,315.10 = 197,708.92/x - Step 3: Cross multiply
347,778.68x = 521,315.10 × 197,708.92 - Step 4: Simplify right side
347,778.68x = 103,068,645,400.69 - Step 5: Solve for x
x = 103,068,645,400.69/347,778.68 - Step 6: Final answer
x = 296,362.75
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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.