Finding the Fourth Proportional to 122,480.68, 183,673.80 and 47,590.98
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Solution
The fourth proportional to 122,480.68, 183,673.80 and 47,590.98 is: 71,368.12
Step by Step Solution
- Step 1: Write the proportion equation
122,480.68 : 183,673.80 = 47,590.98 : x - Step 2: Convert to fraction form
122,480.68/183,673.80 = 47,590.98/x - Step 3: Cross multiply
122,480.68x = 183,673.80 × 47,590.98 - Step 4: Simplify right side
122,480.68x = 8,741,216,142.32 - Step 5: Solve for x
x = 8,741,216,142.32/122,480.68 - Step 6: Final answer
x = 71,368.12
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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.