Finding the Fourth Proportional to 477,367.17, 715,997.29 and 122,389.53
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Solution
The fourth proportional to 477,367.17, 715,997.29 and 122,389.53 is: 183,570.59
Step by Step Solution
- Step 1: Write the proportion equation
477,367.17 : 715,997.29 = 122,389.53 : x - Step 2: Convert to fraction form
477,367.17/715,997.29 = 122,389.53/x - Step 3: Cross multiply
477,367.17x = 715,997.29 × 122,389.53 - Step 4: Simplify right side
477,367.17x = 87,630,571,804.37 - Step 5: Solve for x
x = 87,630,571,804.37/477,367.17 - Step 6: Final answer
x = 183,570.59
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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.