Finding the Fourth Proportional to 330,239.19, 455,869.58 and 222,954.53
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Solution
The fourth proportional to 330,239.19, 455,869.58 and 222,954.53 is: 307,771.43
Step by Step Solution
- Step 1: Write the proportion equation
330,239.19 : 455,869.58 = 222,954.53 : x - Step 2: Convert to fraction form
330,239.19/455,869.58 = 222,954.53/x - Step 3: Cross multiply
330,239.19x = 455,869.58 × 222,954.53 - Step 4: Simplify right side
330,239.19x = 101,638,187,950.20 - Step 5: Solve for x
x = 101,638,187,950.20/330,239.19 - Step 6: Final answer
x = 307,771.43
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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.