Finding the Fourth Proportional to 349,165.36, 481,904.34 and 326,371.75
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Solution
The fourth proportional to 349,165.36, 481,904.34 and 326,371.75 is: 450,445.49
Step by Step Solution
- Step 1: Write the proportion equation
349,165.36 : 481,904.34 = 326,371.75 : x - Step 2: Convert to fraction form
349,165.36/481,904.34 = 326,371.75/x - Step 3: Cross multiply
349,165.36x = 481,904.34 × 326,371.75 - Step 4: Simplify right side
349,165.36x = 157,279,962,778.40 - Step 5: Solve for x
x = 157,279,962,778.40/349,165.36 - Step 6: Final answer
x = 450,445.49
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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.