Finding the Fourth Proportional to 931,077.42, 1,396,588.41 and 257,199.12
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Solution
The fourth proportional to 931,077.42, 1,396,588.41 and 257,199.12 is: 385,791.02
Step by Step Solution
- Step 1: Write the proportion equation
931,077.42 : 1,396,588.41 = 257,199.12 : x - Step 2: Convert to fraction form
931,077.42/1,396,588.41 = 257,199.12/x - Step 3: Cross multiply
931,077.42x = 1,396,588.41 × 257,199.12 - Step 4: Simplify right side
931,077.42x = 359,201,310,054.20 - Step 5: Solve for x
x = 359,201,310,054.20/931,077.42 - Step 6: Final answer
x = 385,791.02
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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.