Finding the Fourth Proportional to 626,120.58, 939,255.72 and 221,228.99
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Solution
The fourth proportional to 626,120.58, 939,255.72 and 221,228.99 is: 331,869.93
Step by Step Solution
- Step 1: Write the proportion equation
626,120.58 : 939,255.72 = 221,228.99 : x - Step 2: Convert to fraction form
626,120.58/939,255.72 = 221,228.99/x - Step 3: Cross multiply
626,120.58x = 939,255.72 × 221,228.99 - Step 4: Simplify right side
626,120.58x = 207,790,592,283.64 - Step 5: Solve for x
x = 207,790,592,283.64/626,120.58 - Step 6: Final answer
x = 331,869.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.