Finding the Fourth Proportional to 135,671.49, 203,479.36 and 51,402.60
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Solution
The fourth proportional to 135,671.49, 203,479.36 and 51,402.60 is: 77,093.34
Step by Step Solution
- Step 1: Write the proportion equation
135,671.49 : 203,479.36 = 51,402.60 : x - Step 2: Convert to fraction form
135,671.49/203,479.36 = 51,402.60/x - Step 3: Cross multiply
135,671.49x = 203,479.36 × 51,402.60 - Step 4: Simplify right side
135,671.49x = 10,459,368,021.83 - Step 5: Solve for x
x = 10,459,368,021.83/135,671.49 - Step 6: Final answer
x = 77,093.34
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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.