Finding the Fourth Proportional to 349,117.63, 481,782.74 and 198,214.63
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Solution
The fourth proportional to 349,117.63, 481,782.74 and 198,214.63 is: 273,536.42
Step by Step Solution
- Step 1: Write the proportion equation
349,117.63 : 481,782.74 = 198,214.63 : x - Step 2: Convert to fraction form
349,117.63/481,782.74 = 198,214.63/x - Step 3: Cross multiply
349,117.63x = 481,782.74 × 198,214.63 - Step 4: Simplify right side
349,117.63x = 95,496,385,353.96 - Step 5: Solve for x
x = 95,496,385,353.96/349,117.63 - Step 6: Final answer
x = 273,536.42
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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.