Finding the Fourth Proportional to 414,079.19, 620,675.91 and 189,102.50
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Solution
The fourth proportional to 414,079.19, 620,675.91 and 189,102.50 is: 283,451.50
Step by Step Solution
- Step 1: Write the proportion equation
414,079.19 : 620,675.91 = 189,102.50 : x - Step 2: Convert to fraction form
414,079.19/620,675.91 = 189,102.50/x - Step 3: Cross multiply
414,079.19x = 620,675.91 × 189,102.50 - Step 4: Simplify right side
414,079.19x = 117,371,366,270.78 - Step 5: Solve for x
x = 117,371,366,270.78/414,079.19 - Step 6: Final answer
x = 283,451.50
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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.