Finding the Fourth Proportional to 369,771.57, 554,283.66 and 145,043.99
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Solution
The fourth proportional to 369,771.57, 554,283.66 and 145,043.99 is: 217,419.39
Step by Step Solution
- Step 1: Write the proportion equation
369,771.57 : 554,283.66 = 145,043.99 : x - Step 2: Convert to fraction form
369,771.57/554,283.66 = 145,043.99/x - Step 3: Cross multiply
369,771.57x = 554,283.66 × 145,043.99 - Step 4: Simplify right side
369,771.57x = 80,395,510,866.79 - Step 5: Solve for x
x = 80,395,510,866.79/369,771.57 - Step 6: Final answer
x = 217,419.39
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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.