Finding the Fourth Proportional to 339,449.74, 468,448.90 and 186,497.84
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Solution
The fourth proportional to 339,449.74, 468,448.90 and 186,497.84 is: 257,371.55
Step by Step Solution
- Step 1: Write the proportion equation
339,449.74 : 468,448.90 = 186,497.84 : x - Step 2: Convert to fraction form
339,449.74/468,448.90 = 186,497.84/x - Step 3: Cross multiply
339,449.74x = 468,448.90 × 186,497.84 - Step 4: Simplify right side
339,449.74x = 87,364,704,725.64 - Step 5: Solve for x
x = 87,364,704,725.64/339,449.74 - Step 6: Final answer
x = 257,371.55
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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.