Finding the Fourth Proportional to 621,235.26, 931,854.18 and 171,957.42
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Solution
The fourth proportional to 621,235.26, 931,854.18 and 171,957.42 is: 257,936.49
Step by Step Solution
- Step 1: Write the proportion equation
621,235.26 : 931,854.18 = 171,957.42 : x - Step 2: Convert to fraction form
621,235.26/931,854.18 = 171,957.42/x - Step 3: Cross multiply
621,235.26x = 931,854.18 × 171,957.42 - Step 4: Simplify right side
621,235.26x = 160,239,240,609.02 - Step 5: Solve for x
x = 160,239,240,609.02/621,235.26 - Step 6: Final answer
x = 257,936.49
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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.