Finding the Fourth Proportional to 408,128.84, 609,106.99 and 397,500.02
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Solution
The fourth proportional to 408,128.84, 609,106.99 and 397,500.02 is: 593,244.14
Step by Step Solution
- Step 1: Write the proportion equation
408,128.84 : 609,106.99 = 397,500.02 : x - Step 2: Convert to fraction form
408,128.84/609,106.99 = 397,500.02/x - Step 3: Cross multiply
408,128.84x = 609,106.99 × 397,500.02 - Step 4: Simplify right side
408,128.84x = 242,120,040,707.14 - Step 5: Solve for x
x = 242,120,040,707.14/408,128.84 - Step 6: Final answer
x = 593,244.14
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.