Finding the Fourth Proportional to 414,447.19, 621,670.79 and 133,964.44
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Solution
The fourth proportional to 414,447.19, 621,670.79 and 133,964.44 is: 200,946.66
Step by Step Solution
- Step 1: Write the proportion equation
414,447.19 : 621,670.79 = 133,964.44 : x - Step 2: Convert to fraction form
414,447.19/621,670.79 = 133,964.44/x - Step 3: Cross multiply
414,447.19x = 621,670.79 × 133,964.44 - Step 4: Simplify right side
414,447.19x = 83,281,777,022.71 - Step 5: Solve for x
x = 83,281,777,022.71/414,447.19 - Step 6: Final answer
x = 200,946.66
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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.