Finding the Fourth Proportional to 422,246.27, 633,220.02 and 122,664.53
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Solution
The fourth proportional to 422,246.27, 633,220.02 and 122,664.53 is: 183,953.39
Step by Step Solution
- Step 1: Write the proportion equation
422,246.27 : 633,220.02 = 122,664.53 : x - Step 2: Convert to fraction form
422,246.27/633,220.02 = 122,664.53/x - Step 3: Cross multiply
422,246.27x = 633,220.02 × 122,664.53 - Step 4: Simplify right side
422,246.27x = 77,673,632,973.79 - Step 5: Solve for x
x = 77,673,632,973.79/422,246.27 - Step 6: Final answer
x = 183,953.39
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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.