Finding the Fourth Proportional to 135,603.75, 203,405.64 and 52,497.75
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Solution
The fourth proportional to 135,603.75, 203,405.64 and 52,497.75 is: 78,746.63
Step by Step Solution
- Step 1: Write the proportion equation
135,603.75 : 203,405.64 = 52,497.75 : x - Step 2: Convert to fraction form
135,603.75/203,405.64 = 52,497.75/x - Step 3: Cross multiply
135,603.75x = 203,405.64 × 52,497.75 - Step 4: Simplify right side
135,603.75x = 10,678,338,437.31 - Step 5: Solve for x
x = 10,678,338,437.31/135,603.75 - Step 6: Final answer
x = 78,746.63
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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.