Finding the Fourth Proportional to 349,525.44, 482,400.36 and 213,638.28
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Solution
The fourth proportional to 349,525.44, 482,400.36 and 213,638.28 is: 294,854.60
Step by Step Solution
- Step 1: Write the proportion equation
349,525.44 : 482,400.36 = 213,638.28 : x - Step 2: Convert to fraction form
349,525.44/482,400.36 = 213,638.28/x - Step 3: Cross multiply
349,525.44x = 482,400.36 × 213,638.28 - Step 4: Simplify right side
349,525.44x = 103,059,183,181.78 - Step 5: Solve for x
x = 103,059,183,181.78/349,525.44 - Step 6: Final answer
x = 294,854.60
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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.