Finding the Fourth Proportional to 349,884.36, 482,906.34 and 219,122.64
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Solution
The fourth proportional to 349,884.36, 482,906.34 and 219,122.64 is: 302,430.53
Step by Step Solution
- Step 1: Write the proportion equation
349,884.36 : 482,906.34 = 219,122.64 : x - Step 2: Convert to fraction form
349,884.36/482,906.34 = 219,122.64/x - Step 3: Cross multiply
349,884.36x = 482,906.34 × 219,122.64 - Step 4: Simplify right side
349,884.36x = 105,815,712,093.54 - Step 5: Solve for x
x = 105,815,712,093.54/349,884.36 - Step 6: Final answer
x = 302,430.53
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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.