Finding the Fourth Proportional to 307,329.26, 424,112.64 and 171,364.84
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Solution
The fourth proportional to 307,329.26, 424,112.64 and 171,364.84 is: 236,482.50
Step by Step Solution
- Step 1: Write the proportion equation
307,329.26 : 424,112.64 = 171,364.84 : x - Step 2: Convert to fraction form
307,329.26/424,112.64 = 171,364.84/x - Step 3: Cross multiply
307,329.26x = 424,112.64 × 171,364.84 - Step 4: Simplify right side
307,329.26x = 72,677,992,575.01 - Step 5: Solve for x
x = 72,677,992,575.01/307,329.26 - Step 6: Final answer
x = 236,482.50
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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.