Finding the Fourth Proportional to 235,491.36, 353,023.36 and 85,625.76
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Solution
The fourth proportional to 235,491.36, 353,023.36 and 85,625.76 is: 128,360.94
Step by Step Solution
- Step 1: Write the proportion equation
235,491.36 : 353,023.36 = 85,625.76 : x - Step 2: Convert to fraction form
235,491.36/353,023.36 = 85,625.76/x - Step 3: Cross multiply
235,491.36x = 353,023.36 × 85,625.76 - Step 4: Simplify right side
235,491.36x = 30,227,893,497.75 - Step 5: Solve for x
x = 30,227,893,497.75/235,491.36 - Step 6: Final answer
x = 128,360.94
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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.