Finding the Fourth Proportional to 349,118.63, 481,784.12 and 198,215.63
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Solution
The fourth proportional to 349,118.63, 481,784.12 and 198,215.63 is: 273,537.80
Step by Step Solution
- Step 1: Write the proportion equation
349,118.63 : 481,784.12 = 198,215.63 : x - Step 2: Convert to fraction form
349,118.63/481,784.12 = 198,215.63/x - Step 3: Cross multiply
349,118.63x = 481,784.12 × 198,215.63 - Step 4: Simplify right side
349,118.63x = 95,497,142,869.80 - Step 5: Solve for x
x = 95,497,142,869.80/349,118.63 - Step 6: Final answer
x = 273,537.80
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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.