Finding the Fourth Proportional to 438,474.52, 657,668.68 and 297,227.13
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Solution
The fourth proportional to 438,474.52, 657,668.68 and 297,227.13 is: 445,811.48
Step by Step Solution
- Step 1: Write the proportion equation
438,474.52 : 657,668.68 = 297,227.13 : x - Step 2: Convert to fraction form
438,474.52/657,668.68 = 297,227.13/x - Step 3: Cross multiply
438,474.52x = 657,668.68 × 297,227.13 - Step 4: Simplify right side
438,474.52x = 195,476,974,247.29 - Step 5: Solve for x
x = 195,476,974,247.29/438,474.52 - Step 6: Final answer
x = 445,811.48
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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.