Finding the Fourth Proportional to 352,461.52, 528,747.36 and 115,750.24
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Solution
The fourth proportional to 352,461.52, 528,747.36 and 115,750.24 is: 173,643.45
Step by Step Solution
- Step 1: Write the proportion equation
352,461.52 : 528,747.36 = 115,750.24 : x - Step 2: Convert to fraction form
352,461.52/528,747.36 = 115,750.24/x - Step 3: Cross multiply
352,461.52x = 528,747.36 × 115,750.24 - Step 4: Simplify right side
352,461.52x = 61,202,633,819.37 - Step 5: Solve for x
x = 61,202,633,819.37/352,461.52 - Step 6: Final answer
x = 173,643.45
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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.