Finding the Fourth Proportional to 477,242.80, 715,847.76 and 122,259.92
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Solution
The fourth proportional to 477,242.80, 715,847.76 and 122,259.92 is: 183,385.67
Step by Step Solution
- Step 1: Write the proportion equation
477,242.80 : 715,847.76 = 122,259.92 : x - Step 2: Convert to fraction form
477,242.80/715,847.76 = 122,259.92/x - Step 3: Cross multiply
477,242.80x = 715,847.76 × 122,259.92 - Step 4: Simplify right side
477,242.80x = 87,519,489,869.78 - Step 5: Solve for x
x = 87,519,489,869.78/477,242.80 - Step 6: Final answer
x = 183,385.67
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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.