Finding the Fourth Proportional to 931,050.51, 1,396,593.34 and 257,149.74
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Solution
The fourth proportional to 931,050.51, 1,396,593.34 and 257,149.74 is: 385,729.46
Step by Step Solution
- Step 1: Write the proportion equation
931,050.51 : 1,396,593.34 = 257,149.74 : x - Step 2: Convert to fraction form
931,050.51/1,396,593.34 = 257,149.74/x - Step 3: Cross multiply
931,050.51x = 1,396,593.34 × 257,149.74 - Step 4: Simplify right side
931,050.51x = 359,133,614,266.73 - Step 5: Solve for x
x = 359,133,614,266.73/931,050.51 - Step 6: Final answer
x = 385,729.46
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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.