Finding the Fourth Proportional to 122,406.51, 183,523.62 and 47,463.48
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Solution
The fourth proportional to 122,406.51, 183,523.62 and 47,463.48 is: 71,161.82
Step by Step Solution
- Step 1: Write the proportion equation
122,406.51 : 183,523.62 = 47,463.48 : x - Step 2: Convert to fraction form
122,406.51/183,523.62 = 47,463.48/x - Step 3: Cross multiply
122,406.51x = 183,523.62 × 47,463.48 - Step 4: Simplify right side
122,406.51x = 8,710,669,667.40 - Step 5: Solve for x
x = 8,710,669,667.40/122,406.51 - Step 6: Final answer
x = 71,161.82
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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.