Finding the Fourth Proportional to 122,524.98, 183,812.97 and 38,281.74
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Solution
The fourth proportional to 122,524.98, 183,812.97 and 38,281.74 is: 57,430.58
Step by Step Solution
- Step 1: Write the proportion equation
122,524.98 : 183,812.97 = 38,281.74 : x - Step 2: Convert to fraction form
122,524.98/183,812.97 = 38,281.74/x - Step 3: Cross multiply
122,524.98x = 183,812.97 × 38,281.74 - Step 4: Simplify right side
122,524.98x = 7,036,680,326.17 - Step 5: Solve for x
x = 7,036,680,326.17/122,524.98 - Step 6: Final answer
x = 57,430.58
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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.