Finding the Fourth Proportional to 477,112.79, 715,652.78 and 122,129.88
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Solution
The fourth proportional to 477,112.79, 715,652.78 and 122,129.88 is: 183,190.62
Step by Step Solution
- Step 1: Write the proportion equation
477,112.79 : 715,652.78 = 122,129.88 : x - Step 2: Convert to fraction form
477,112.79/715,652.78 = 122,129.88/x - Step 3: Cross multiply
477,112.79x = 715,652.78 × 122,129.88 - Step 4: Simplify right side
477,112.79x = 87,402,587,532.42 - Step 5: Solve for x
x = 87,402,587,532.42/477,112.79 - Step 6: Final answer
x = 183,190.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.