Finding the Fourth Proportional to 331,506.81, 457,534.26 and 195,574.02
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Solution
The fourth proportional to 331,506.81, 457,534.26 and 195,574.02 is: 269,924.51
Step by Step Solution
- Step 1: Write the proportion equation
331,506.81 : 457,534.26 = 195,574.02 : x - Step 2: Convert to fraction form
331,506.81/457,534.26 = 195,574.02/x - Step 3: Cross multiply
331,506.81x = 457,534.26 × 195,574.02 - Step 4: Simplify right side
331,506.81x = 89,481,814,515.93 - Step 5: Solve for x
x = 89,481,814,515.93/331,506.81 - Step 6: Final answer
x = 269,924.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.