Finding the Fourth Proportional to 571,497.45, 856,646.09 and 192,286.53
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Solution
The fourth proportional to 571,497.45, 856,646.09 and 192,286.53 is: 288,227.89
Step by Step Solution
- Step 1: Write the proportion equation
571,497.45 : 856,646.09 = 192,286.53 : x - Step 2: Convert to fraction form
571,497.45/856,646.09 = 192,286.53/x - Step 3: Cross multiply
571,497.45x = 856,646.09 × 192,286.53 - Step 4: Simplify right side
571,497.45x = 164,721,503,122.74 - Step 5: Solve for x
x = 164,721,503,122.74/571,497.45 - Step 6: Final answer
x = 288,227.89
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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.