Finding the Fourth Proportional to 419,966.40, 579,556.35 and 228,982.98
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Solution
The fourth proportional to 419,966.40, 579,556.35 and 228,982.98 is: 315,997.99
Step by Step Solution
- Step 1: Write the proportion equation
419,966.40 : 579,556.35 = 228,982.98 : x - Step 2: Convert to fraction form
419,966.40/579,556.35 = 228,982.98/x - Step 3: Cross multiply
419,966.40x = 579,556.35 × 228,982.98 - Step 4: Simplify right side
419,966.40x = 132,708,540,100.92 - Step 5: Solve for x
x = 132,708,540,100.92/419,966.40 - Step 6: Final answer
x = 315,997.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.