Finding the Fourth Proportional to 122,302.85, 183,804.19 and 60,017.09
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Solution
The fourth proportional to 122,302.85, 183,804.19 and 60,017.09 is: 90,197.34
Step by Step Solution
- Step 1: Write the proportion equation
122,302.85 : 183,804.19 = 60,017.09 : x - Step 2: Convert to fraction form
122,302.85/183,804.19 = 60,017.09/x - Step 3: Cross multiply
122,302.85x = 183,804.19 × 60,017.09 - Step 4: Simplify right side
122,302.85x = 11,031,391,694.59 - Step 5: Solve for x
x = 11,031,391,694.59/122,302.85 - Step 6: Final answer
x = 90,197.34
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1.5x scale
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.