Finding the Fourth Proportional to 621,170.97, 931,777.17 and 171,854.19
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Solution
The fourth proportional to 621,170.97, 931,777.17 and 171,854.19 is: 257,787.02
Step by Step Solution
- Step 1: Write the proportion equation
621,170.97 : 931,777.17 = 171,854.19 : x - Step 2: Convert to fraction form
621,170.97/931,777.17 = 171,854.19/x - Step 3: Cross multiply
621,170.97x = 931,777.17 × 171,854.19 - Step 4: Simplify right side
621,170.97x = 160,129,810,810.84 - Step 5: Solve for x
x = 160,129,810,810.84/621,170.97 - Step 6: Final answer
x = 257,787.02
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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.