Finding the Fourth Proportional to 715,511.21, 1,073,255.87 and 183,027.74
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Solution
The fourth proportional to 715,511.21, 1,073,255.87 and 183,027.74 is: 274,538.81
Step by Step Solution
- Step 1: Write the proportion equation
715,511.21 : 1,073,255.87 = 183,027.74 : x - Step 2: Convert to fraction form
715,511.21/1,073,255.87 = 183,027.74/x - Step 3: Cross multiply
715,511.21x = 1,073,255.87 × 183,027.74 - Step 4: Simplify right side
715,511.21x = 196,435,591,419.12 - Step 5: Solve for x
x = 196,435,591,419.12/715,511.21 - Step 6: Final answer
x = 274,538.81
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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.