Finding the Fourth Proportional to 397,393.36, 549,846.97 and 346,512.20
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Solution
The fourth proportional to 397,393.36, 549,846.97 and 346,512.20 is: 479,446.07
Step by Step Solution
- Step 1: Write the proportion equation
397,393.36 : 549,846.97 = 346,512.20 : x - Step 2: Convert to fraction form
397,393.36/549,846.97 = 346,512.20/x - Step 3: Cross multiply
397,393.36x = 549,846.97 × 346,512.20 - Step 4: Simplify right side
397,393.36x = 190,528,683,238.03 - Step 5: Solve for x
x = 190,528,683,238.03/397,393.36 - Step 6: Final answer
x = 479,446.07
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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.