Finding the Fourth Proportional to 406,107.19, 609,510.71 and 281,535.67
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Solution
The fourth proportional to 406,107.19, 609,510.71 and 281,535.67 is: 422,546.09
Step by Step Solution
- Step 1: Write the proportion equation
406,107.19 : 609,510.71 = 281,535.67 : x - Step 2: Convert to fraction form
406,107.19/609,510.71 = 281,535.67/x - Step 3: Cross multiply
406,107.19x = 609,510.71 × 281,535.67 - Step 4: Simplify right side
406,107.19x = 171,599,006,112.03 - Step 5: Solve for x
x = 171,599,006,112.03/406,107.19 - Step 6: Final answer
x = 422,546.09
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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.