Finding the Fourth Proportional to 343,425.84, 515,435.22 and 238,318.62
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Solution
The fourth proportional to 343,425.84, 515,435.22 and 238,318.62 is: 357,683.66
Step by Step Solution
- Step 1: Write the proportion equation
343,425.84 : 515,435.22 = 238,318.62 : x - Step 2: Convert to fraction form
343,425.84/515,435.22 = 238,318.62/x - Step 3: Cross multiply
343,425.84x = 515,435.22 × 238,318.62 - Step 4: Simplify right side
343,425.84x = 122,837,810,329.80 - Step 5: Solve for x
x = 122,837,810,329.80/343,425.84 - Step 6: Final answer
x = 357,683.66
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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.