Finding the Fourth Proportional to 349,220.58, 481,927.77 and 198,318.66
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Solution
The fourth proportional to 349,220.58, 481,927.77 and 198,318.66 is: 273,681.66
Step by Step Solution
- Step 1: Write the proportion equation
349,220.58 : 481,927.77 = 198,318.66 : x - Step 2: Convert to fraction form
349,220.58/481,927.77 = 198,318.66/x - Step 3: Cross multiply
349,220.58x = 481,927.77 × 198,318.66 - Step 4: Simplify right side
349,220.58x = 95,575,269,563.19 - Step 5: Solve for x
x = 95,575,269,563.19/349,220.58 - Step 6: Final answer
x = 273,681.66
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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.