Finding the Fourth Proportional to 122,487.04, 183,771.54 and 47,609.68
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Solution
The fourth proportional to 122,487.04, 183,771.54 and 47,609.68 is: 71,430.45
Step by Step Solution
- Step 1: Write the proportion equation
122,487.04 : 183,771.54 = 47,609.68 : x - Step 2: Convert to fraction form
122,487.04/183,771.54 = 47,609.68/x - Step 3: Cross multiply
122,487.04x = 183,771.54 × 47,609.68 - Step 4: Simplify right side
122,487.04x = 8,749,304,212.51 - Step 5: Solve for x
x = 8,749,304,212.51/122,487.04 - Step 6: Final answer
x = 71,430.45
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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.