Finding the Fourth Proportional to 426,257.13, 639,668.07 and 234,265.63
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Solution
The fourth proportional to 426,257.13, 639,668.07 and 234,265.63 is: 351,553.63
Step by Step Solution
- Step 1: Write the proportion equation
426,257.13 : 639,668.07 = 234,265.63 : x - Step 2: Convert to fraction form
426,257.13/639,668.07 = 234,265.63/x - Step 3: Cross multiply
426,257.13x = 639,668.07 × 234,265.63 - Step 4: Simplify right side
426,257.13x = 149,852,243,409.43 - Step 5: Solve for x
x = 149,852,243,409.43/426,257.13 - Step 6: Final answer
x = 351,553.63
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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.